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🧱 Completeness checklist

Challenger Set 300 · set 4222 — 120 part types · 355 pieces · 11 colours · 2 minifigs
📥 Drop photos or a parts file to auto-check
📸 Auto-check a colour: photograph each colour — one colour per photo · parts laid flat & not touching · on a plain white A4 sheet · phone straight overhead · even light, no shadow. We tick what we can see; you confirm the rest.
0 / 120
Jump to colour

Minifigures

2 to find

Blue

31 types · 102 pieces

Yellow

19 types · 68 pieces

Red

29 types · 57 pieces

White

10 types · 56 pieces

Black

15 types · 37 pieces

Light Gray

6 types · 19 pieces

Dark Gray

5 types · 7 pieces

Trans-Clear

2 types · 4 pieces

Trans-Red

1 types · 2 pieces

Trans-Yellow

1 types · 2 pieces

Bright Green

1 types · 1 pieces

Tick a part when you've found them all. Your ticks are saved on this device. Counts are the official Rebrickable inventory for this set — spares included where the set ships them.