2-in-1 toy for even more fun. When your child is in the mood for something new, they can easily transform the monster truck into a cool crocodile buggy. The pull-back motor of the 2-in-1 model allows the vehicle to zoom off and perform stunts that your child knows from the real Monster Jam arena.

Great introduction to the world of technology. LEGO Technic building toys realistically and understandably represent the movement and mechanics of the models to introduce LEGO builders to the world of technology. Look forward to an intuitive building adventure with the LEGO Builder app. In the app, your child can enlarge and rotate 3D views of the models, save sets, and track their building progress.

Monster truck gift: Your child can build the LEGO Technic Monster Jam Dragon (42149) and send it off to exciting races. The pull-back motor of this 2-in-1 model will keep your child entertained for hours.

Huge action fun: Your child can zoom the monster truck using the pull-back motor and perform cool jumps and stunts.

2-in-1 toy: Is your child looking for a new challenge? Then they can easily convert the monster truck into a crocodile buggy with a pull-back motor.

Dragon graphics: Your child can stick cool graphics on their Monster Jam monster truck to perfectly replicate the original design.

Great set for kids aged 7 and up: The model introduces young monster truck fans to building and technology. A cool birthday, Christmas, or surprise gift.