How many pieces does the LEGO WHACK! (42072-1) have?

The LEGO WHACK! set (42072-1) contains 135 pieces. It was released in 2018 as part of the LEGO Technic theme.

How can I find missing parts for LEGO set 42072-1?

On BrickMissing you can check which parts from the LEGO WHACK! (42072-1) you already own. Add your LEGO collection and we'll show exactly which of the 135 pieces you're missing and which you already have.

Can I build the LEGO WHACK! with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 135 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO WHACK! from?

The LEGO WHACK! (42072-1) belongs to the LEGO Technic theme. You can browse all Technic sets on BrickMissing to find more sets from this theme.

WHACK!

42072-1 Technic 2018 135 parts 2.4% repair risk 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

🧱 135 parts

Part	Color	Qty	LEGO price each
Technic Pin Connector Hub with 2 Perpendicular Axles 10197	Dark Bluish Gray	2×	€0,18 View at LEGO → View
Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle 11214	Dark Bluish Gray	3×	€0,29 View at LEGO → View
Technic Panel Curved 11 x 3 with 10 Pin Holes through Panel Surface 11954	Black	1×	€1,00 View at LEGO → View
Pullback Motor 6 x 3 x 5 12799	Dark Bluish Gray	1×	€7,73 View at LEGO → View
Technic Pin Connector Round 1L [Beam] 18654	Dark Bluish Gray	3×	€0,05 View at LEGO → View
Tile 1 x 4 with Groove 2431	Lime	1×	€0,12 View at LEGO → View
Technic Pin with Friction Ridges Lengthwise and Center Slots 2780	Black	10×	Check price → View
Technic Axle and Pin Connector Angled #1 32013	Black	4×	€0,08 View at LEGO → View
Technic Axle and Pin Connector Angled #3 - 157.5? 32016	Black	6×	€0,13 View at LEGO → View
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] 32054	Red	1×	Check price → View
Technic Axle 2 Notched 32062	Red	4×	€0,07 View at LEGO → View
Technic Axle 5 32073	Light Bluish Gray	3×	€0,11 View at LEGO → View