Top Brick Builder - LEGO® Technic Pull Back [42072] 135 pieces WHACK! Building Instructions | Facebook | By Top Brick Builder | LEGO® Technic Pull Back [42072] 135 pieces WHACK! Building Instructions
LEGO Technic WHACK! 42072 Building Kit with Pull Back Toy Stunt Car, Popular Girls and Boys Engineering Toy for Creative Play (135 Pieces)
LEGO 42072 WHACK! Instructions, Technic
MOC] 42072 B Model - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums