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 WHACK! 42072 Building Kit with Stunt Car (135 Pieces) - Walmart.com
WHACK! 42072 | Technic™ | Buy online at the Official LEGO® Shop US
WHACK! 42072 | Technic™ | Buy online at the Official LEGO® Shop US
Amazon.com: LEGO 42072 Technic Whack Racing Car Toy with Powerful Pull-Back Motor, High-Speed Action Vehicles Building Set : Toys & Games