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
RETIRED LEGO Technic BASH! Pull Back 42073 100% Complete w/Manual And Stickers 673419280471 | eBay
BASH! 42073 | Technic™ | Buy online at the Official LEGO® Shop US