The LEGO Creator 3-in-1 Mighty Dinosaurs set is a 174-piece toy building kit that allows you to construct three different dinosaurs: a tyrannosaurus, a triceratops, and an pterodactyl. The set includes pieces for creating each dinosaur, as well as a Rex LEGO character. The kit is suitable for ages 7-12 and measures 10.08 inches in length, 11.02 inches in height, and 6.18 inches in width. The set was released in 2017 and is part of the LEGO Creator 3-in-1 product line.