Inspire boys and girls aged 10+ to build their own luxury hypercar toy with the LEGO® Technic Koenigsegg Jesko Absolut Grey Hypercar building set for kids (42173). A rewarding challenge awaits kids who love buildable model car toys as they assemble all the details. And the build is just the start! This toy pays tribute to one of the fastest road-legal hypercars in the world and comes packed with features for car enthusiasts to discover. Young builders can explore engineering concepts as they build the moving V8 engine and differential. Then they can test the steering using the detachable knob that fits inside the front of the car. A cool feature of this vehicle toy for kids is the dihedral synchro-helix door system, which allows the doors to rotate 90 degrees and move outwards, just like those on the real hypercar. This LEGO Technic car makes a great gift idea for kids who love vehicles. It comes with the LEGO Builder app, which lets builders zoom in and rotate models in 3D. A hypercar toy for kids aged 10+ – This LEGO® Technic™ Koenigsegg Jesko Absolut Grey Hypercar car building set for kids features authentic details to delight young vehicle fans Build the features of this hypercar toy – Builders explore lots of engineering concepts as they assemble the articulated V8 engine and the differential before testing out the steering Realistic door design – The model features a dihedral synchro-helix door system, which allows the doors to rotate 90 degrees while moving outwards, just like those on the real car Car enthusiast gift – This car building kit makes a great gift idea for kids who love vehicles and want to build a model version of one of the fastest road-legal cars in the world An introduction to engineering – LEGO® Technic™ buildable model sets feature realistic movement and mechanisms to introduce young LEGO builders to the universe of engineering A helping hand – Discover intuitive instructions in the LEGO® Builder app, where builders can zoom in and rotate models in 3D, track their progress and save sets as they develop new skills Measurements – An 801-piece set with a model measuring over 3 in. (8 cm) high, 11 in. (28 cm) long and 5 in. (13 cm) wide