Question 1

How many pieces does the LEGO Challenger Set 100 (4221-1) have?

Accepted Answer

The LEGO Challenger Set 100 set (4221-1) contains 66 pieces. It was released in 1998 as part of the LEGO Universal Building Set theme.

Question 2

How can I find missing parts for LEGO set 4221-1?

Accepted Answer

On BrickMissing you can check which parts from the LEGO Challenger Set 100 (4221-1) you already own. Add your LEGO collection and we'll show exactly which of the 66 pieces you're missing and which you already have.

Question 3

Can I build the LEGO Challenger Set 100 with parts I already have?

Accepted Answer

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 66 parts to show your buildability percentage and which specific pieces you still need.

Question 4

What theme is the LEGO Challenger Set 100 from?

Accepted Answer

The LEGO Challenger Set 100 (4221-1) belongs to the LEGO Universal Building Set theme. You can browse all Universal Building Set sets on BrickMissing to find more sets from this theme.

Part	Color	Qty
Brick Special 1 x 2 with Pin 2458	Black	1×
Brick 2 x 4 3001	Black	1×
Brick 2 x 2 3003	Black	2×
Brick 2 x 2 3003	Red	2×
Brick 1 x 2 3004	Red	2×
Brick 1 x 2 3004	Black	4×
Brick 1 x 1 3005	Yellow	2×
Brick 1 x 1 3005	Red	2×
Brick 1 x 1 with Simple Eye Black and White Print 3005pr9996	Yellow	2×
Brick 1 x 6 3009	Black	2×

Brick 1 x 2	3004	Black	4×
Brick 1 x 1	3005	Yellow	2×
Brick 1 x 1	3005	Red	2×
Brick 1 x 1 with Simple Eye Black and White Print	3005pr9996	Yellow	2×
Brick 1 x 6	3009	Black	2×
Brick 1 x 4	3010	Yellow	2×
Brick 1 x 4	3010	Black	2×
Plate 2 x 4	3020	Red	1×
Plate 2 x 2	3022	Red	2×
Slope 45? 2 x 2	3039	Trans-Clear	2×
Slope 45? 2 x 2	3039	Black	2×
Brick Round 1 x 1 Open Stud	3062b	Black	2×
Slope 33° 3 x 4	3297	Black	1×
Fence Lattice 1 x 4 x 1	3633	Yellow	2×
Tyre 15 x 6 Offset Tread Small	3641	Black	4×
Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]	3660	Black	2×
Slope Inverted 45° 2 x 1	3665	Black	2×
Plate 1 x 6	3666	White	2×
Plate 1 x 4	3710	Red	2×
Plate 2 x 6	3795	Red	4×
Antenna 1 x 4 with Rounded Top	3957a	Trans-Clear	1×
Slope 33° 3 x 1	4286	Black	2×
Plate Special 2 x 2 with Wheel Holders	4600	Black	2×
Wheel 8 x 6	4624	Yellow	4×
Propeller 3 Blade 3 Diameter with Axle Cross	6041	Black	1×
Hair, Smooth	3901	Black	1×
Hips and Black Legs	970c03	Black	1×
Torso Divers Dolphin Logo Print, Yellow Arms and Hands	973c01h01pr0038	White	1×
Minifig Head, Black Sunglasses and Standard Grin Print [Blocked Open Stud]	3626bpr0006	Yellow	1×

Challenger Set 100

Parts Inventory

Parts inventory insights for Challenger Set 100