• A monster truck model build – Kids can build and race this LEGO® Technic Monster Jam™ Monster Mutt™ Dalmatian (42150) toy truck. With pull-back action, this 2-in-1 toy offers hours of play • Inspire arena adventures – Kids use the pull-back feature to send the model truck racing along before recreating cool monster truck tricks as seen in the Monster Jam™ arena • Twice the fun – Kids can enjoy a new challenge by rebuilding the Monster Mutt™ Dalmatian into a Race Truck • Monster Jam™ graphics – Comes with sticker details designed to delight Monster Jam fans • For kids aged 7+ – This monster truck makes a fun birthday, Christmas or anytime gift for Monster Jam™ fans and offers an introduction to engineering for kids who love building toys • Sized for play – This Monster Jam™ truck model measures over 11 cm (4.5 in.) high, 19 cm (7 in.) long and 11 cm (4 in.) wide • Intuitive instructions – The LEGO® Builder app guides you and your child on an intuitive building adventure with tools that let you zoom in and rotate models in 3D, save sets and track progress • An introduction to engineering – LEGO® Technic buildable model sets feature realistic movement and mechanisms that introduce young LEGO builders to the universe of engineering • High quality – LEGO® Technic components meet rigorous industry standards to ensure they are consistent, compatible and connect reliably every time • Safety first – LEGO® Technic components are dropped, heated, crushed, twisted and analysed to make sure they meet strict global safety standards