Review: 42072 WHACK! | Brickset: LEGO set guide and database
Amazon.com: LEGO 42072 Technic Whack Racing Car Toy with Powerful Pull-Back Motor, High-Speed Action Vehicles Building Set : Toys & Games
Review: 42073 BASH! | Brickset: LEGO set guide and database
LEGO 42073 Technic BASH! | BrickEconomy
LEGO Technic WHACK! 42072 Building Kit with Pull Back Toy Stunt Car, Popular Girls and Boys Engineering Toy for Creative Play (135 Pieces) | Pricepulse
LEGO 42072 Technic WHACK! – Brick Stella Story
WHACK! 42072 | Technic™ | Buy online at the Official LEGO® Shop US