WHACK!
42072-1 Technic 2018 135 parts 2.4% catalog rarity Easy
Prepare for thrilling high-speed action and dramatic impacts with the powerful LEGO Technic WHACK! (42072). Experience incredible acceleration thanks to its pull-back motor. This striking model features a vibrant lime-green, red, and gray color scheme, enhanced with racing stickers, a sturdy front bumper, and a large rear spoiler. Wide black rims with low profile tires complete the aggressive look. A unique new-for-December-2017 engine pop-out function activates on impact, adding to the excitement. Combine WHACK! with the 42073 BASH! pull-back model for extended play or to build the ultimate WHACK! ‘N' BASH! combi model.
42072-1
3D build progress
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Parts Inventory
Showing the first 12 rows of the parts list (135 pieces in total). The full list loads automatically.
| Part | Qty | LEGO price each |
|---|---|---|
| 2× | €0,18 | |
| 3× | €0,29 | |
| 1× | €1,00 | |
| 1× | €7,73 | |
| 3× | €0,05 | |
| 1× | €0,12 | |
| 10× | Check price → View | |
| 4× | €0,08 | |
| 6× | €0,13 | |
| 1× | Check price → View | |
| 4× | €0,07 | |
| 3× | €0,11 |
Catalog rarity
How common are the parts in WHACK!?
1 of 42 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.
Theme average
6.5%
All sets
6.7%
Least common in our catalog
More Technic sets
Browse more LEGO Technic sets related to WHACK!, including models from 2018 and other sets in the same theme.
Build DNA
Parts inventory insights for WHACK!
135 pieces puts this build -79% against the average Technic set and -63% against the average 2018 release.
Vs average Technic set
Average Technic set: 653 pieces across 454 other sets.
Vs average 2018 set
Average 2018 set: 369 pieces across 447 other sets.
Color profile
Dominant color
Black
Unique parts
3.3 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots
22xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
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