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 Technic, ZDRANG!, 42073 - Scamp
Retired LEGO Technic 42073 BASH! Complete, No Instructions | eBay