Let Monster truck fans recreate their favorite arena moments with the LEGO Technic Monster Jam Max-D (42119) toy building kit This cool Max-D 2-in-1 monster truck toy rebuilds into a pull-back quad bike, so playtime lasts even longer With pull-back action, it's easy for kids to power their truck and quad bike. Simply pull back and let go to send them speeding along This buildable model set is ideal for boys and girls aged 7 and up who love exciting vehicles Details include Max-Ds iconic spikes and a rough metallic surface with fire graphics just like on the real truck Inspire kids who love Monster Jam to build their very own monster truck with this LEGO Technic Monster Jam Max-D 42119 building kit. With its pull-back action, boys and girls will be recreating daring stunts from the Monster Jam arena in no time. The 2-in-1 toy truck is packed with powerful features, just like the real thing. This cool Monster Jam truck toy offers two building challenges in one. After building the Max-D model, kids can rebuild it into a quad bike for even more high-speed adventures. This interactive guide makes building easy with zoom and rotate tools. The LEGO Technic universe offers a great introduction to engineering and mechanics for young LEGO fans. With detailed models, inspired by real-world vehicles, kids learn as they play.