Challenger Set 100
4221-1 Universal Building Set 1998 66 parts 2.9% catalog rarity Beginner
Challenger Set 100 (4221-1) is a LEGO set with a listed count of 66 parts. Available inventory data is shown below.
Parts Inventory
Showing the first 12 rows of the parts list (66 pieces in total). The full list loads automatically.
| Part | Qty | LEGO price each |
|---|---|---|
| 1× | Check price → View | |
| 1× | €0,22 | |
| 2× | €0,13 | |
| 2× | €0,13 | |
| 2× | €0,11 | |
| 4× | €0,11 | |
| 2× | €0,07 | |
| 2× | €0,07 | |
| 2× | Check price → View | |
| 2× | €0,25 | |
| 2× | €0,16 | |
| 2× | €0,16 |
Catalog rarity
How common are the parts in Challenger Set 100?
1 of 34 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.
Theme average
1.9%
All sets
6.7%
Least common in our catalog
More Universal Building Set sets
Browse more LEGO Universal Building Set sets related to Challenger Set 100, including models from 1998 and other sets in the same theme.
Build DNA
Parts inventory insights for Challenger Set 100
66 pieces puts this build -86% against the average Universal Building Set set and -74% against the average 1998 release.
Vs average Universal Building Set set
Average Universal Building Set set: 456 pieces across 55 other sets.
Vs average 1998 set
Average 1998 set: 255 pieces across 173 other sets.
Color profile
Dominant color
Blue
Unique parts
2.3 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Brick 1 x 2
6xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
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