Amazon.com: LEGO Technic WHACK! 42072 Building Kit with Pull Back Toy Stunt Car, Popular Girls and Boys Engineering Toy for Creative Play (135 Pieces) : Toys & Games
LEGO Technic set - 42072+42073 WHACK!'N'BASH! - Unboxing & Super SMOOTH Stop Motion Speed Build - YouTube
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
Amazon.com: LEGO Technic BASH! 42073 Building Kit (139 Pieces) : Toys & Games