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“Challenger Set 100” is LEGO® “Classic Basic” theme set number 4221. Released in 1998, it has 66 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.
Part breakdown 30 types
Color split (most first)
Blue×21
Red×15
Yellow×12
Black×9
White×3
Trans-Clear×2
Main parts (most used first)
3004 Brick 1 x 2
Blue · ×4
3641 Tyre 15 x 6 Offset Tread Small
Black · ×4
4624 Wheel 8 x 6
Yellow · ×4
3003 Brick 2 x 2
Blue · ×2
3005 Brick 1 x 1
Yellow · ×2
3005pr9996 Brick 1 x 1 with Simple Eye Black and White Print
Yellow · ×2
3009 Brick 1 x 6
Blue · ×2
3010 Brick 1 x 4
Blue · ×2
3010 Brick 1 x 4
Yellow · ×2
3039 Slope 45° 2 x 2
Blue · ×2
3039 Slope 45° 2 x 2
Trans-Clear · ×2
3062b Brick Round 1 x 1 Open Stud
Black · ×2
3633 Fence Lattice 1 x 4 x 1
Yellow · ×2
3660 Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]
Blue · ×2
3665 Slope Inverted 45° 2 x 1
Blue · ×2
3666 Plate 1 x 6
White · ×2
4286 Slope 33° 3 x 1
Blue · ×2
4600 Plate Special 2 x 2 with Wheel Holders
Black · ×2
More “Classic Basic” theme sets
Re:GO is an unofficial service and is not affiliated with the LEGO Group. LEGO® is a trademark of the LEGO Group. Data is based on Rebrickable and others.