Inspire children to build their own racing car model with this LEGO Technic Bugatti Bolide (42151) car toy set for kids Ages 9+ years old. They?ll enjoy a challenging project as they craft all the true-to-life details in the model car kit, including a working W16 engine, steering and scissor doors. The LEGO sports car?s stunning looks steal the show, with a yellow-and-black color scheme and authentic sticker details. After building and exploring the car, kids can display their collectible model with pride. Let the LEGO Builder app guide you and your child on an easy and intuitive building adventure. Zoom in and rotate models in 3D, save sets and track your progress. LEGO Technic buildable model sets feature realistic movement and mechanisms that introduce young LEGO builders to the universe of engineering in an approachable and realistic way. This model car kit makes a great gift for budding engineers Ages 9 plus years old. This LEGO Technic building set measures over 3 in. (8 cm) high, 12 in. (31 cm) long and 5 in. (13 cm) wide. Contains 905 Pieces.