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. 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.A build for motorsport fans – Give race car enthusiasts aged 9+ a building challenge to remember as they assemble all the details of the LEGO® Technic™ Bugatti Bolide (42151) model setCheck out the details – Kids can build and explore the working W16 engine, steering and scissor doors of this Bugatti racing car modelInspired by the original – This Bugatti Bolide toy model features a yellow and black color scheme and comes with sticker details to add the finishing touchA gift for kids aged 9+ – Give this Bugatti racing car model to a child who loves race car toys and model sports car collectiblesPlay and display – After building and exploring the car, kids can display their collectible model with prideMeasurements – This LEGO® Technic™ building set measures over 3 in. (8 cm) high, 12 in. (31 cm) long and 5 in. (13 cm) wide