# LEGO 4090-1 — Motion Madness (2003)

Source: https://www.brickmissing.com/sets/4090-1-motion-madness
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

Embark on a journey of mechanical discovery with LEGO Inventor Motion Madness (4090-1), a set from 2003 designed for dynamic construction. This set encourages builders to craft original contraptions that truly move. The included Idea Book provides detailed instructions for six unique models, alongside nine additional concept starters to spark further creativity. Builders can construct models that fly up a string, ride a bike across the floor, or move along a wire, setting wheels in motion with their custom designs. The diverse assortment of elements, including essential Technic gears and axles, allows for the creation of intricate, functional mechanisms. Experiment with different build configurations, watch your creations perform their designated actions, and then reconfigure them into entirely new, moving machines.

## Set facts

- Set number: 4090-1
- Name: Motion Madness
- Theme: Creator › Inventor Set
- Released: 2003
- Pieces: 243
- Distinct part + colour lots: 89
- Build difficulty: easy
- Repairability: 11.2% of this set's lots are hard to replace (10 of 89 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (89 lots, 243 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 |
| ---: | --- | --- | --- | --- | --- |
| 1 | String Cord Medium Thickness 487cm | Red | 14728c487 | 4195075 | — |
| 2 | Tile Special 1 x 2 Grille with Bottom Groove | Black | 2412b | 241223 | €0,06 |
| 2 | Tile Special 1 x 2 Grille with Bottom Groove | Yellow | 2412b | 241224 | €0,06 |
| 2 | Plate 2 x 2 Corner | Black | 2420 | 242026 | €0,07 |
| 2 | Plate 2 x 2 Corner | Medium Blue | 2420 | 4179827 | — |
| 2 | Plate 2 x 2 Corner | Yellow | 2420 | 242024 | €0,07 |
| 2 | Technic Brick 1 x 10 [9 Pin Holes] | Black | 2730 | 273023 | — |
| 2 | Technic Slope Long 1 x 6 with 3 Pin Holes | Yellow | 2744 | 274424 | — |
| 7 | Technic Pin with Friction Ridges Lengthwise and Center Slots | Black | 2780 | 278026 | — |
| 3 | Lever Small Base with Black Lever | White | 298c02 | 73737 | €0,19 |
| 2 | Brick 2 x 3 | Black | 3002 | 300223 | €0,17 |
| 5 | Brick 2 x 2 | Black | 3003 | 300323 | €0,13 |
| 5 | Brick 1 x 2 | Black | 3004 | 300423 | €0,11 |
| 2 | Brick 1 x 6 | Black | 3009 | 300926 | €0,25 |
| 1 | Brick 1 x 4 | Black | 3010 | 301023 | €0,16 |
| 1 | Plate 2 x 4 | Black | 3020 | 302026 | €0,15 |
| 6 | Plate 2 x 4 | Medium Blue | 3020 | 4128581 | — |
| 3 | Plate 2 x 3 | White | 3021 | 302101 | €0,13 |
| 8 | Plate 2 x 2 | Black | 3022 | 302226 | €0,10 |
| 4 | Plate 1 x 2 | Black | 3023 | 302326 | €0,08 |
| 6 | Plate 1 x 2 | Medium Blue | 3023 | 4179825 | €0,08 |
| 4 | Plate 1 x 1 | White | 3024 | 302401 | €0,06 |
| 1 | Plate 2 x 8 | Medium Blue | 3034 | 3034102 | — |
| 2 | Slope 18° 4 x 2 | Black | 30363 | 4124107 | — |
| 1 | Slope 45? 2 x 2 | Black | 3039 | 303923 | €0,11 |
| 2 | Slope 45° 2 x 1 with Bottom Pin | Black | 3040b | 4121936 | €0,10 |
| 1 | Tile 2 x 2 with Groove | Medium Blue | 3068b | 4171097 | — |
| 1 | Plate Special 3 x 2 with Rounded End, Hole | Black | 3176 | 317623 | €0,12 |
| 1 | Technic Axle and Pin Connector Angled #1 | White | 32013 | 6332573 | €0,08 |
| 4 | Technic Axle and Pin Connector Angled #6 - 90° | Black | 32014 | 4112205 | — |
| 4 | Technic Axle and Pin Connector Angled #3 - 157.5? | Medium Blue | 32016 | 4172098 | — |
| 4 | Technic Axle and Pin Connector Angled #2 - 180° | White | 32034 | 6271870 | €0,11 |
| 1 | Technic Axle Connector with Axle Hole | Black | 32039 | 3203926 | — |
| 8 | Technic Axle 2 Notched | Black | 32062 | 4109810 | €0,07 |
| 2 | Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Ridges | Tan | 32064c | 4133586 | — |
| 7 | Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Ridges | Dark Red | 32064c | 4209392 | — |
| 4 | Technic Axle and Pin Connector Toggle Joint Smooth | Light Gray | 32126 | 4112931 | — |
| 2 | Technic Gear 12 Tooth Double Bevel | Light Gray | 32270 | 4125322 | — |
| 1 | Large Figure Weapon, Claw Hook with Axle | Yellow | 32551 | 4154757 | — |
| 4 | Technic Pin Long without Friction Ridges - Single Slot | Light Gray | 32556a | 4154753 | — |
| 2 | Slope 33° 3 x 2 | Black | 3298 | 6294307 | €0,12 |
| 2 | Plate 1 x 8 | Yellow | 3460 | 346024 | €0,18 |
| 1 | Wheel with Split Axle hole | White | 3482 | 348201 | — |
| 2 | Plate 1 x 3 | White | 3623 | 362301 | €0,07 |
| 1 | Technic Gear 24 Tooth [New Style with Single Axle Hole] | Light Gray | 3648b | 364802 | — |
| 1 | Technic Gear 40 Tooth | Light Gray | 3649 | 364902 | — |
| 5 | Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] | Black | 3660 | 366023 | €0,15 |
| 2 | Slope Inverted 45° 2 x 1 | Black | 3665 | 366523 | €0,11 |
| 4 | Plate 1 x 6 | Medium Blue | 3666 | 4179829 | €0,17 |
| 3 | Technic Pin without Friction Ridges Lengthwise | Light Gray | 3673 | 367302 | — |
| 2 | Technic Brick 1 x 2 [1 Pin Hole] | Yellow | 3700 | 370024 | €0,12 |
| 2 | Technic Brick 1 x 2 [1 Pin Hole] | Medium Blue | 3700 | 4193342 | — |
| 4 | Technic Brick 1 x 4 [3 Pin Holes] | Black | 3701 | 370123 | €0,17 |
| 6 | Technic Axle 4 | Black | 3705 | 370526 | €0,08 |
| 2 | Technic Axle 6 | Black | 3706 | 370626 | €0,12 |
| 1 | Technic Axle 8 | Black | 3707 | 370726 | €0,22 |
| 6 | Plate 1 x 4 | Yellow | 3710 | 371024 | €0,12 |
| 2 | Plate 1 x 4 | Black | 3710 | 371026 | €0,12 |
| 4 | Technic Bush | Light Gray | 3713 | 371302 | — |
| 2 | Slope Inverted 33° 3 x 2 [Connections between Studs] | Reddish Brown | 3747b | 4508616 | €0,21 |
| 2 | Technic Axle Pin without Friction Ridges Lengthwise | Tan | 3749 | 4666579 | €0,06 |
| 2 | Plate 2 x 6 | Black | 3795 | 379523 | €0,19 |
| 2 | Plate 2 x 6 | Medium Blue | 3795 | 4179824 | — |
| 4 | Technic Brick 1 x 6 [5 Pin Holes] | Black | 3894 | 389423 | €0,29 |
| 1 | Wedge Plate 8 x 4 Wing Left | Black | 3933 | 393323 | — |
| 1 | Wedge Plate 8 x 4 Wing Right | Black | 3934 | 393423 | — |
| 4 | Brick Round 2 x 2 with Axle Hole | Yellow | 3941 | 614324 | €0,11 |
| 1 | Cone 2 x 2 x 2, Open Stud | Yellow | 3942c | 394224 | — |
| 2 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | White | 4032a | 403201 | €0,06 |
| 2 | Brick Special 1 x 1 with Headlight | Black | 4070 | 407023 | €0,07 |
| 2 | Technic Beam 1 x 2 Thin | Medium Blue | 41677 | 4172111 | — |
| 2 | Wedge Curved Inverted 6 x 2 Right | Medium Blue | 41764 | 4161272 | — |
| 2 | Wedge Curved Inverted 6 x 2 Left | Medium Blue | 41765 | 4161287 | — |
| 2 | Slope 33° 3 x 1 | Yellow | 4286 | 428624 | €0,10 |
| 2 | Slope 33° 3 x 1 | Black | 4286 | 428626 | €0,10 |
| 2 | Slope Inverted 34° 3 x 1 without Internal Stopper | Dark Blue | 4287a | 4264579 | — |
| 8 | Technic Axle Pin with Friction Ridges Lengthwise | Black | 43093 | 4206482 | €0,06 |
| 2 | Plate 1 x 10 | Black | 4477 | 447723 | €0,16 |
| 1 | Tyre with Centre Groove [Tightrope Guide Wheel] | Black | 44799 | 4194205 | — |
| 4 | Technic Axle 3 | Light Gray | 4519 | 4186007 | — |
| 1 | Brick 1 x 10 | Black | 6111 | 611126 | €0,36 |
| 2 | Plate Round 1 x 1 with Solid Stud | White | 6141 | 614101 | €0,05 |
| 2 | Plate Round 1 x 1 with Solid Stud | Black | 6141 | 614126 | €0,05 |
| 2 | Technic Axle and Pin Connector Perpendicular | Dark Gray | 6536 | 4141206 | — |
| 2 | Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots | Black | 6558 | 655826 | — |
| 2 | Technic Axle 3 with Stud | Dark Gray | 6587 | 4113884 | — |
| 2 | Technic Pin with Friction Ridges Lengthwise and Towball | Black | 6628 | 4184169 | — |
| 4 | Rubber Band Medium (Square Cross Section) | Black | 71156 | 71156 | — |
| 2 | Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] | Black | 73983 | 4119371 | — |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/4090-1-motion-madness
- 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/4090-1-motion-madness