Fast-paced Monster Jam fun Discover an authentic replica of a Monster Jam fan favorite with this LEGO Technic Megalodon (42134) pull-back truck building set for kids aged 7+. With true-to-life graphics and colors, this truck is packed with details for kids to discover. The pull-back action makes playtime exciting as kids race their truck and perform cool tricks. The fins move as the monster truck toy powers along, while the realistic shark teeth and large tires add extra realism for hours of fun. When it�s time for a new challenge, this 2-in-1 toy truck rebuilds into a lusca Low Racer vehicle. Inspired by the mythical sea monster, this low rider car toy combines a shark and a squid to create a fearsome vehicle, complete with pull-back action for fast-paced play. With vehicles that look and function like the real thing, LEGO Technic buildable models offer a fun introduction to engineering and mechanics for young LEGO fans.