[Product]:This is a DIY electric crawling dinosaur model science experiment kits for kids to learn and play. [Assembly]: Stem electric project needs to be assembled by your own hands, when finished, you can see the dinosaur model crawling on the ground and experience the charm of science and technology. [Educational Toys]: Handmade assembled science toy can help children understand the scientific principles, increase interest in science, and at the same time improve their and hands on ability. [Material]: Science experiment puzzle kits are made of wood and electronic components, and can be used for a long time. [Gift]: This stem kits educational toys are great educational gifts for kids, children, and , teenagers. Colour:Wood color Material:Wood + Plastic Package Contents: 1 x DIY Dinosaur Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.