Pull-back truck toy for kids – LEGO Technic Monster Jam ThunderROARus Pull-Back truck toy for 7+ year old boys and girls who love cool vehicles Monster Jam toy – Kids pull the truck toy back and then release it to recreate the thrills of the Monster Jam arena with fast-action tricks and stunts Dinosaur-inspired features – The monster truck toy features authentic details, like the scales, spikes, teeth and realistic ThunderROARus tyres A great gift for kids – This LEGO monster truck makes a fun birthday gift idea for 7+ year old boys and girls who love pull-back car toys An introduction to engineering – LEGO Technic sets feature realistic movement and mechanisms to introduce young builders to the world of engineering