# LEGO 20215-1 — Invention Designer (Kits 10 - 12) (2013)

Source: https://www.brickmissing.com/sets/20215-1-invention-designer-kits-10-12
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

The LEGO Master Builder Academy Invention Designer 20215-1, with 678 pieces, immerses builders in a Steampunk world, exploring historical innovations and diverse architectural styles. Builders culminate their learning at the Inventor’s Lab, creating custom designs. This set includes 13 building instructions: three for main models and ten additional springboard designs for further exploration. Three 84-page Designer Handbooks detail 141 official building tips and six key LEGO Master Builder techniques. Each of the three exclusive LEGO MBA Level 4 Minifigures arrives with its own themed accessory build. An included access code grants entry to members-only online content at LEGO.com/mba, offering extra technique demonstrations and skill tests.

## Set facts

- Set number: 20215-1
- Name: Invention Designer (Kits 10 - 12)
- Theme: Master Builder Academy
- Released: 2013
- Pieces: 678
- Distinct part + colour lots: 203
- Build difficulty: intermediate
- Repairability: 1.5% of this set's lots are hard to replace (3 of 203 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (203 lots, 678 pieces)

Prices are the official LEGO Pick a Brick price per individual part, where LEGO publishes one.

| Qty | Part | Colour | Part no. | LEGO element ID | LEGO price each |
| ---: | --- | --- | --- | --- | --- |
| 4 | Slope Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] | Dark Blue | 11153 | 6042956 | €0,12 |
| 3 | Tile Special 1 x 1 with Clip with Rounded Tips | Black | 12825 | 6030718 | — |
| 2 | Brick 2 x 2 Corner | Black | 2357 | 235726 | €0,16 |
| 13 | Tile Special 1 x 2 Grille with Bottom Groove | Dark Red | 2412b | 4541506 | €0,06 |
| 6 | Plate 2 x 2 Corner | Tan | 2420 | 4114077 | €0,07 |
| 6 | Plate 2 x 2 Corner | White | 2420 | 242001 | €0,07 |
| 2 | Tile 1 x 4 with Groove | Dark Red | 2431 | 4539060 | €0,12 |
| 2 | Tile 1 x 4 with Groove | Black | 2431 | 243126 | €0,12 |
| 2 | Slope Inverted 75° 2 x 1 x 3 | Tan | 2449 | 6030731 | €0,23 |
| 4 | Brick Special 1 x 2 with Pin | Dark Bluish Gray | 2458 | 4211087 | — |
| 12 | Plate Special 1 x 2 Side Handle [Free Ends] | Black | 2540 | 4140588 | €0,07 |
| 6 | Plate Round 2 x 2 with Rounded Bottom [Boat Stud] | Light Bluish Gray | 2654 | 4278273 | €0,07 |
| 7 | Plate Round 2 x 2 with Rounded Bottom [Boat Stud] | Black | 2654 | 4278359 | €0,07 |
| 2 | Plate Special 2 x 2 with 2 Pin Holes | Black | 2817 | 281726 | €0,15 |
| 2 | Brick Special 1 x 1 with Handle | Black | 2921 | 6170566 | €0,10 |
| 3 | Lever Small Base with Black Lever | Black | 298c02 | 73587 | €0,19 |
| 2 | Brick 2 x 4 | Black | 3001 | 300126 | €0,22 |
| 3 | Brick 2 x 2 | White | 3003 | 300301 | €0,13 |
| 3 | Brick 1 x 2 | Tan | 3004 | 4109995 | €0,11 |
| 3 | Brick 1 x 2 | Dark Blue | 3004 | 4249891 | €0,11 |
| 4 | Brick 1 x 1 | White | 3005 | 300501 | €0,07 |
| 4 | Brick 1 x 1 | Tan | 3005 | 4113915 | €0,07 |
| 8 | Brick 1 x 1 | Black | 3005 | 300526 | €0,07 |
| 3 | Brick 1 x 6 | Tan | 3009 | 4112982 | €0,25 |
| 2 | Brick 1 x 4 | White | 3010 | 301001 | €0,16 |
| 3 | Brick 1 x 4 | Black | 3010 | 301026 | €0,16 |
| 1 | Equipment Sextant | Dark Bluish Gray | 30154 | 6269999 | €0,39 |
| 2 | Equipment Binoculars | Dark Bluish Gray | 30162 | 4211051 | €0,15 |
| 1 | Equipment Binoculars | Light Bluish Gray | 30162 | 4550170 | €0,15 |
| 2 | Brick Curved 2 x 2, Two Top Studs | Black | 30165 | 4200023 | €0,16 |
| 1 | Plant, Round 1 x 1 - 3 Bamboo Leaves | Light Bluish Gray | 30176 | 6270003 | €0,24 |
| 1 | Plate 2 x 4 | Tan | 3020 | 4114309 | €0,15 |
| 4 | Plate 2 x 4 | Light Bluish Gray | 3020 | 4211395 | €0,15 |
| 2 | Plate 2 x 4 | Black | 3020 | 302026 | €0,15 |
| 4 | Plate 2 x 3 | Light Bluish Gray | 3021 | 4211396 | €0,13 |
| 8 | Plate 2 x 3 | Dark Blue | 3021 | 4530028 | €0,13 |
| 11 | Plate 1 x 2 | Black | 3023 | 302326 | €0,08 |
| 12 | Plate 1 x 2 | Tan | 3023 | 4113917 | €0,08 |
| 7 | Plate 1 x 2 | Dark Red | 3023 | 4539097 | €0,08 |
| 9 | Plate 1 x 2 | White | 3023 | 302301 | €0,08 |
| 2 | Plate 1 x 2 | Dark Bluish Gray | 3023 | 4211063 | €0,08 |
| 2 | Brick Special 1 x 2 with Vertical Clip [Open O Clip] | Black | 30237b | 6330197 | €0,23 |
| 6 | Plate 1 x 1 | White | 3024 | 302401 | €0,06 |
| 3 | Plate 1 x 1 | Tan | 3024 | 4159553 | €0,06 |
| 3 | Plate 4 x 6 | Tan | 3032 | 4114001 | €0,41 |
| 2 | Plate 6 x 10 | Dark Green | 3033 | 4549214 | — |
| 1 | Plate 2 x 8 | Black | 3034 | 303426 | €0,29 |
| 1 | Plate 2 x 8 | White | 3034 | 303401 | €0,29 |
| 2 | Plate 4 x 8 | Tan | 3035 | 4509897 | €0,46 |
| 3 | Brick Round 2 x 2 Dome Top, Blocked Open Stud, Bottom Axle Holder | Tan | 30367b | 4162726 | — |
| 1 | Brick Round 2 x 2 Dome Top, Blocked Open Stud, Bottom Axle Holder | Light Bluish Gray | 30367b | 4270456 | — |
| 2 | Slope 45° 2 x 4 | Dark Blue | 3037 | 4249899 | — |
| 1 | Bar 4L (Lightsaber Blade / Wand) | Light Bluish Gray | 30374 | 6116608 | €0,05 |
| 2 | Arm Mechanical with 2 Clips [Battle Droid] | White | 30377 | 6321345 | €0,13 |
| 8 | Slope 45? 2 x 2 | Tan | 3039 | 4114322 | €0,11 |
| 2 | Slope 45? 2 x 2 | Dark Bluish Gray | 3039 | 4211054 | €0,11 |
| 5 | Slope 45? 2 x 2 | Dark Blue | 3039 | 4153653 | €0,11 |
| 4 | Slope 45° 2 x 1 with Bottom Pin | Black | 3040b | 4121966 | €0,10 |
| 2 | Slope 45° 2 x 1 with Bottom Pin | Dark Bluish Gray | 3040b | 4211135 | €0,10 |
| 2 | Slope 45° 2 x 1 with Bottom Pin | Tan | 3040b | 4121972 | €0,10 |
| 1 | Brick Special 1 x 4 with 4 Studs on One Side | Black | 30414 | 4162443 | €0,18 |
| 1 | Slope 45° 2 x 1 Double with Inside Stud Holder | Dark Blue | 3044c | 4578104 | — |
| 6 | Slope 45° 2 x 2 Double Convex | Dark Blue | 3045 | 4196736 | €0,13 |
| 4 | Brick Round 1 x 1 Open Stud | Black | 3062b | 306226 | €0,06 |
| 6 | Brick Round 1 x 1 Open Stud | Dark Red | 3062b | 4539099 | €0,06 |
| 6 | Brick Round 1 x 1 Open Stud | White | 3062b | 306201 | €0,06 |
| 3 | Steering Wheel Small, 2 x 2 | Black | 30663 | 4153044 | — |
| 16 | Tile 1 x 2 with Groove | Dark Blue | 3069b | 4528488 | €0,07 |
| 6 | Tile 1 x 2 with Groove | Light Bluish Gray | 3069b | 4211414 | €0,07 |
| 3 | Tile 1 x 2 with Red 82, Yellow and White Gauges Print | Light Bluish Gray | 3069bpr0101 | 4227776 | — |
| 1 | Tile 1 x 1 with Groove | Dark Red | 3070b | 4550169 | €0,05 |
| 2 | Tile 1 x 1 with Groove | Dark Blue | 3070b | 4631385 | €0,05 |
| 2 | Tile 1 x 1 with White and Red Gauge Print | Light Bluish Gray | 3070bpr0007 | 4255629 | — |
| 1 | Plate Special 3 x 2 with Rounded End, Hole | Black | 3176 | 317626 | €0,12 |
| 1 | Technic Plate 2 x 6 [5 Holes] | Black | 32001 | 3200126 | €0,24 |
| 2 | Technic Plate 2 x 6 [5 Holes] | Light Bluish Gray | 32001 | 4211542 | €0,24 |
| 12 | Plate Special 1 x 2 with Door Rail | White | 32028 | 4249563 | €0,05 |
| 3 | Technic Axle Connector with Axle Hole | Black | 32039 | 3203926 | — |
| 3 | Technic Axle 2 Notched | Red | 32062 | 4142865 | €0,07 |
| 5 | Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] | Black | 32064b | — | — |
| 3 | Technic Axle 5 | Light Bluish Gray | 32073 | 4211639 | €0,11 |
| 1 | Technic Plate 1 x 5 with Smooth Ends, 4 Studs and Centre Axle Hole | Black | 32124 | 6280168 | €0,11 |
| 6 | Technic Gear 12 Tooth Double Bevel | Black | 32270 | 4177431 | €0,18 |
| 2 | Technic Beam 1 x 5 Thick | Black | 32316 | 4142135 | €0,19 |
| 2 | Technic Beam 1 x 4 Thin | White | 32449 | 6360072 | €0,19 |
| 2 | Technic Gear 36 Tooth Double Bevel | Black | 32498 | 4255563 | €0,90 |
| 3 | Slope 33° 3 x 2 | Light Bluish Gray | 3298 | 4211421 | €0,12 |
| 3 | Plate 1 x 8 | White | 3460 | 346001 | €0,18 |
| 2 | Plate 1 x 8 | Tan | 3460 | 4114324 | €0,18 |
| 1 | Plate 1 x 8 | Black | 3460 | 346026 | €0,18 |
| 2 | Brick 1 x 3 | Dark Bluish Gray | 3622 | 4211104 | €0,15 |
| 2 | Brick 1 x 3 | Tan | 3622 | 4162465 | €0,15 |
| 6 | Plate 1 x 3 | White | 3623 | 362301 | €0,07 |
| 3 | Plate 1 x 3 | Tan | 3623 | 4121921 | €0,07 |
| 1 | Technic Gear 8 Tooth | Dark Bluish Gray | 3647 | 4514559 | — |
| 2 | Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] | Tan | 3660 | 4118866 | €0,15 |
| 10 | Slope Inverted 45° 2 x 1 | Tan | 3665 | 4159196 | €0,11 |
| 2 | Plate 1 x 6 | White | 3666 | 366601 | €0,17 |
| 1 | Plate 1 x 6 | Dark Red | 3666 | 4539062 | €0,17 |
| 1 | Plate 1 x 6 | Black | 3666 | 366626 | €0,17 |
| 2 | Plate 1 x 6 | Tan | 3666 | 4124067 | €0,17 |
| 3 | Technic Pin without Friction Ridges Lengthwise | Light Bluish Gray | 3673 | 4211807 | €0,05 |
| 2 | Technic Brick 1 x 2 [1 Pin Hole] | Light Bluish Gray | 3700 | 4211440 | €0,12 |
| 3 | Technic Brick 1 x 2 [1 Pin Hole] | White | 3700 | 370001 | €0,12 |
| 6 | Technic Brick 1 x 4 [3 Pin Holes] | Light Bluish Gray | 3701 | 4211441 | €0,17 |
| 4 | Technic Axle 4 | Black | 3705 | 370526 | €0,08 |
| 2 | Technic Axle 6 | Black | 3706 | 370626 | €0,12 |
| 3 | Technic Plate 2 x 4 [3 Holes] | Dark Bluish Gray | 3709 | 4227398 | €0,13 |
| 2 | Plate 1 x 4 | Dark Bluish Gray | 3710 | 4211001 | €0,12 |
| 10 | Plate 1 x 4 | Black | 3710 | 371026 | €0,12 |
| 3 | Technic Bush | Light Bluish Gray | 3713 | 6275844 | €0,05 |
| 1 | Technic Gear Rack 1 x 4 | Light Bluish Gray | 3743 | 6457283 | €0,19 |
| 1 | Plate Special 1 x 2 with 1 Stud without Groove (Jumper) | Dark Purple | 3794a | 4225239 | — |
| 7 | Plate Special 1 x 2 with 1 Stud without Groove (Jumper) | Tan | 3794a | 379405 | — |
| 1 | Plate Special 1 x 2 with 1 Stud without Groove (Jumper) | Dark Red | 3794a | 4176959 | — |
| 2 | Plate 2 x 6 | Tan | 3795 | 4113993 | €0,19 |
| 1 | Plate 2 x 6 | Light Bluish Gray | 3795 | 4211452 | €0,19 |
| 1 | Plate 2 x 6 | White | 3795 | 379501 | €0,19 |
| 2 | Plate 2 x 10 | White | 3832 | 383201 | €0,29 |
| 4 | Technic Brick 1 x 6 [5 Pin Holes] | Black | 3894 | 389426 | €0,29 |
| 1 | Equipment Signal Paddle | Light Bluish Gray | 3900 | 4211753 | €0,12 |
| 2 | Brick Round 2 x 2 with Axle Hole | Black | 3941 | 614326 | €0,11 |
| 1 | Cone 2 x 2 x 2, Open Stud | Black | 3942c | 6092664 | €0,22 |
| 5 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Tan | 4032a | 4140562 | €0,06 |
| 4 | Brick Special 1 x 1 with Headlight | White | 4070 | 407001 | €0,07 |
| 14 | Brick Special 1 x 1 with Headlight | Black | 4070 | 407026 | €0,07 |
| 1 | Seat / Chair 2 x 2 with Center Sprue Mark | Black | 4079b | 407923 | €0,19 |
| 4 | Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] | White | 4081b | 6281990 | €0,10 |
| 1 | Tile Round 2 x 2 with Fine Mesh Grill Print | Light Bluish Gray | 4150pr0022 | 4221881 | — |
| 2 | Tile 1 x 8 with Groove | Light Bluish Gray | 4162 | 4211481 | €0,15 |
| 12 | Brick Curved 6 x 1 Inverted | Tan | 42023 | 4160405 | — |
| 14 | Brick Special 1 x 2 with Groove | White | 4216 | 4264360 | €0,11 |
| 1 | Minifig Neckwear Bracket [One Stud] | Light Bluish Gray | 42446 | 4211760 | — |
| 1 | Plate 2 x 16 | White | 4282 | 4119227 | €0,51 |
| 2 | Dish 6 x 6 Inverted, Radar / Webbed [Anti-studs at 90°] | Light Bluish Gray | 4285b | 4211487 | — |
| 2 | Slope 33° 3 x 1 | Black | 4286 | 428626 | €0,10 |
| 2 | Technic Axle Pin with Friction Ridges Lengthwise | Black | 43093 | 4206482 | €0,06 |
| 1 | Slope 75° 2 x 1 x 3 with Hollow Stud | Tan | 4460b | 4129996 | €0,18 |
| 2 | Plate 1 x 10 | Light Bluish Gray | 4477 | 4251149 | €0,16 |
| 1 | Plate 1 x 10 | Tan | 4477 | 4143409 | €0,16 |
| 2 | Technic Axle 3 | Light Bluish Gray | 4519 | 4211815 | €0,05 |
| 2 | Tap 1 x 1 without Hole in Spout | White | 4599b | 459901 | €0,06 |
| 1 | Tap 1 x 1 without Hole in Spout | Black | 4599b | 459926 | €0,06 |
| 2 | Brick Special 1 x 1 Studs on 4 Sides | Light Bluish Gray | 4733 | 4211511 | €0,22 |
| 1 | Brick Special 1 x 1 Studs on 4 Sides | White | 4733 | 4111971 | €0,22 |
| 1 | Dish 2 x 2 Inverted [Radar] | Light Bluish Gray | 4740 | 4211512 | €0,05 |
| 1 | Dish 2 x 2 Inverted [Radar] | Black | 4740 | 474026 | €0,05 |
| 3 | Plate Special 1 x 2 [Side Handle Closed Ends] | Black | 48336 | 4225201 | €0,07 |
| 1 | Plate Special 1 x 2 [Side Handle Closed Ends] | Light Bluish Gray | 48336 | 4244627 | €0,07 |
| 2 | Plate Special 1 x 1 with Tooth | Tan | 49668 | 4224793 | €0,06 |
| 2 | Wedge Plate 8 x 3, 22° Right | Light Bluish Gray | 50304 | 4258273 | €0,34 |
| 2 | Wedge Plate 8 x 3, 22° Left | Light Bluish Gray | 50305 | 4258275 | €0,46 |
| 2 | Slope 30° 1 x 1 x 2/3 (Cheese Slope) | Black | 54200 | 4504382 | €0,06 |
| 2 | Slope 30° 1 x 1 x 2/3 (Cheese Slope) | Dark Red | 54200 | 4531415 | €0,06 |
| 3 | Slope 30° 1 x 1 x 2/3 (Cheese Slope) | Tan | 54200 | 4516055 | €0,06 |
| 7 | Slope 30° 1 x 1 x 2/3 (Cheese Slope) | Dark Blue | 54200 | 4504374 | €0,06 |
| 1 | Technic Axle 8 with Stop | Dark Bluish Gray | 55013 | 4499858 | €0,21 |
| 1 | Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye | Trans-Dark Blue | 58176 | 4497952 | — |
| 2 | Technic Axle Connector Smooth [with x Hole + Orientation] | Black | 59443 | 4512363 | €0,06 |
| 1 | Cone 1 x 1 [Top Groove] | Tan | 59900 | 4529237 | €0,05 |
| 5 | Cone 1 x 1 [Top Groove] | Light Bluish Gray | 59900 | 4529241 | €0,05 |
| 1 | Design Handbook MBA KIT 10 | Unknown | 6043632 | 6043632 | — |
| 1 | Design Handbook MBA KIT 11 | Unknown | 6043634 | 6043634 | — |
| 1 | Design Handbook MBA KIT 12 | Unknown | 6043635 | 6043635 | — |
| 1 | Plate Round 4 x 4 with Pin Hole | Dark Red | 60474 | 4631233 | — |
| 1 | Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole | Black | 60483 | 6265091 | €0,07 |
| 2 | Slope 18° 2 x 1 x 2/3 with 4 Slots / Grate | Black | 61409 | 4541191 | €0,06 |
| 1 | Plate Round 1 x 1 with Solid Stud | Trans-Green | 6141 | 6514057 | €0,05 |
| 22 | Plate Round 1 x 1 with Solid Stud | White | 6141 | 614101 | €0,05 |
| 1 | Plate Round 1 x 1 with Solid Stud | Trans-Red | 6141 | 6208450 | €0,04 |
| 6 | Plate Round 1 x 1 with Solid Stud | Tan | 6141 | 4161734 | €0,05 |
| 5 | Plate Round 1 x 1 with Solid Stud | Flat Silver | 6141 | 4633691 | €0,05 |
| 9 | Plate Round 1 x 1 with Solid Stud | Black | 6141 | 614126 | €0,05 |
| 1 | Turntable 4 x 4 Square Base, Locking | Black | 61485 | 4517986 | €0,25 |
| 6 | Plate Special 1 x 2 with Clip Horizontal on End | Black | 63868 | 6336989 | €0,15 |
| 1 | Bar 6L with Stop Ring | Black | 63965 | 6170421 | €0,08 |
| 2 | Technic Plate Rotor 6 Blade with Clip Ends Connected [aka Water Wheel] - Hollow Studs | Black | 64566 | 4539442 | — |
| 1 | Weapon Lightsaber Hilt with Bottom Ring | Light Bluish Gray | 64567 | 4539481 | €0,05 |
| 2 | Plate Special 4 x 4 with 2 x 2 Opening | Light Bluish Gray | 64799 | 4612621 | €0,29 |
| 2 | Technic Brick 1 x 1 with Pin Hole | Black | 6541 | 654126 | €0,07 |
| 1 | Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) | Light Bluish Gray | 6553 | 4211536 | €0,19 |
| 5 | Technic Gear 12 Tooth Bevel | Tan | 6589 | 4565452 | €0,10 |
| 2 | Tile 1 x 6 with Groove | Black | 6636 | 663626 | €0,13 |
| 3 | Tile 1 x 6 with Groove | Dark Bluish Gray | 6636 | 4210651 | €0,13 |
| 1 | Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] | Black | 73983 | 6102782 | — |
| 2 | Slope 30? 1 x 2 x 2/3 | White | 85984 | 4547489 | €0,07 |
| 2 | Tile 2 x 4 with Groove | White | 87079 | 4560178 | €0,16 |
| 2 | Technic Axle 4 with Stop | Dark Bluish Gray | 87083 | 6083620 | €0,07 |
| 2 | Panel 1 x 2 x 2 [Side Supports / Hollow Studs] | Black | 87552 | 4593678 | €0,15 |
| 1 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | White | 87580 | 6126046 | €0,07 |
| 2 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Light Bluish Gray | 87580 | 6126082 | €0,07 |
| 2 | Propeller 7 Blade 6 Diameter | Flat Silver | 87751 | 6493590 | €0,67 |
| 1 | Plate Special 1 x 2 with Bar Up [Horizontal Arm 5mm] | Black | 88072 | 6261348 | €0,18 |
| 2 | Chain 6L [5 Links] | Pearl Gold | 92338 | 6323688 | €0,39 |
| 2 | Plate Special 1 x 4 with 2 Studs | White | 92593 | 4597131 | — |
| 10 | Brick Round 2 x 2 [Grill] | White | 92947 | 4650644 | €0,12 |
| 2 | Brick Round 2 x 2 [Grill] | Light Bluish Gray | 92947 | 4650645 | €0,12 |
| 1 | Brick Arch 1 x 6 Raised Arch | White | 92950 | 4620761 | €0,19 |
| 2 | Tile Round 1 x 1 | Light Bluish Gray | 98138 | 6284071 | €0,04 |
| 2 | Tile Round 1 x 1 | Trans-Clear | 98138 | 6274738 | €0,05 |
| 3 | Brick Special 1 x 2 with Masonry Brick Profile | Light Bluish Gray | 98283 | 6000066 | €0,13 |
| 1 | Large Figure Weapon Ammo, Flexible Ammunition Belt | Black | 98567 | 4652060 | — |
| 1 | Bracket 1 x 2 - 2 x 2 Inverted | Light Bluish Gray | 99207 | 4654580 | €0,10 |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/20215-1-invention-designer-kits-10-12
- Inventory data is based on official LEGO inventories via the Rebrickable catalog, updated daily.
- Part images, minifigure lists and related sets are on the set page: https://www.brickmissing.com/sets/20215-1-invention-designer-kits-10-12