Features: 1Imaginative: By adjusting the angle and swinging flexibly, you can make more lifelike fighting movements or do various poses that your baby likes. 2Improve Ability: In the process of assembling dinosaurs, it can improve children hand eye coordination ability, exercise thinking ability, and promote children teamwork. 3Simple Assembly: The assembly instructions in the manual, each step has a detailed explanation, which is easy for children to understand. 4Detachable Joints: Dinosaurs can move the joints of their heads, hands and feet to swing their bodies and form a variety of more interesting fighting poses, allowing children to learn about the world of dinosaurs. 5Safe Harmless: Made of high quality ABS material, with soft edges and good size, the low speed electric drill is safe and won't hurt kids. 6Thoughtful Gifts: Fun disassembly dinosaur toys, from disassembly to combination to exercise thinking skills, perfect as a gift for children over 3 years old. Item Type: Assembling Dinosaurs Suitable: for 3 years old and above Battery: AA battery x 2 (shipped without battery) Package Included: 4 x Sets of Assembled Dinosaurs (Pterosaur Assembly x 17, Velociraptor Assembly x 18, Tyrannosaurus Rex Assembly x 18, Triceratops Assembly x 17) 4 x Bags Screws 1 x Electric Drill 2 x Bags Screwdrivers 1 x Instruction Manual