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 42059 Stunt Truck Instructions, Technic
Lego Technic Lot 42058 Stunt Bike 42059 Stunt Truck NO BOXES, NO JUMPS | eBay
LEGO TECHNIC 42059 STUNT TRUCK
Lego Technic 42059 Blue Pull Back Stunt Truck No Ramp | eBay