Give young vehicle fans a treat with the LEGO Technic Heavy-Duty Bulldozer (42163) construction vehicle toy for boys and girls aged 7+. Inspired by real bulldozers, the yellow colour scheme captures the imaginations of new Technic builders, encouraging boys and girls to develop new building skills. Authentic details include the tracks and the blade, which kids can lift and lower using the element on top of the bulldozer for imaginative play. This set makes a great small gift for boys and girls who love LEGO construction vehicles. LEGO Technic construction toys for kids feature realistic details that introduce young LEGO builders to engineering in an approachable way. Give kids a fun building adventure with the LEGO Builder app, which lets them zoom in and rotate models in 3D and track their progress. - A construction vehicle toy for kids aged 7+ – This LEGO Technic Heavy-Duty Bulldozer toy set features authentic details to delight vehicle fans - Moving tracks – After having fun building the bulldozer toy, kids can push the model along on its tracks as they create their own adventures - Raise and lower the blade – This model features a moving blade that kids can lift and lower using the element on top of the vehicle toy - A gift idea for kids – This LEGO construction vehicle makes a fun gift for boys and girls who love LEGO vehicles and imaginative play - An introduction to engineering – LEGO Technic vehicle sets feature realistic mechanisms to introduce young builders to the universe of engineering