WHACK! 42072 | Technic | Buy online at the Official LEGO® Shop GB
Lego Technic 42072 Whack! ATV Pull Back Motor 100% Complete Instructions Unboxed | eBay
Lego Technic combinations: beast on the left side is 42072+42073 (BASH and WHACK) while beauty on the right side is 42058+42059 (STUNT TRUCK and STUNT BIKE). : r/lego
REVIEW] 42072: WHACK! - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums