The LEGO 31058 Creator 3 In 1 Mighty Dinosaurs set is a fun and engaging building toy suitable for children aged 7-12. With 174 plastic pieces, kids can create three different dinosaur models - a Triceratops, a Pterodactyl, and a Parasaurolophus. The set is part of the LEGO Creator theme, focusing on imagination and creativity, and includes everything needed to build the Mighty Dinosaurs. Released in 2017, this complete set comes in a box packaging and measures 10.08 inches in length, 11.02 inches in height, and 6.18 inches in width.