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
Stunt Truck 42059 | Technic™ | Buy online at the Official LEGO® Shop US
LEGO TECHNIC: Stunt Truck (42059) for sale online | eBay