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
LEGO 42072 WHACK! Instructions, Technic
LEGO Technic BASH! 42073 - Walmart.com
LEGO Technic BASH 42073 Building Toy New Factory Sealed and Unopened. Damage Box 673419280471 | eBay