Size: This robot toy measures 25 x 14 x 26cm in total. Free moving: Toy is battery powered and, once assembled, can move freely by itself. Robot toy: Grab yourself a T-Rex robot toy. Self-assembly: An interesting self assembly DIY project - you and your child can work together to build this fun T-Rex robot toy! Material: Made from a combination of plastic and ABS. | DIY Self-Assembly Battery T-Rex Robot | Wowcher