【DIY Installation】The packaging contains various components of the mechanical dog, as well as installation instructions, batteries, remote control, etc. Children need to install it themselves, which can effectively improve their hands-on skills, cultivate their focus and patience. At the same time, parents and children can work together to install the playset and increase parent-child interaction.【2 IN 1: Cat & Dog Heads】The packaging comes with two heads: cat & dog’s head. You can replace the heads manually. It is both a mechanical dog and a mechanical cat toy. Children will never get tired of playing.【Remote Control Functions】The RC dog/cat toy can walk forward and backward under the remote control instructions. Two buttons to operate, it is easy to play for little kids.【Mechanical Robot Shaped】Mechanical dog and cat shaped, full of futuristic technology, and they can also walk. Your child will definitely love them. It is an excellent gift for kids’ birthdays, Children's Day, Christmas, and New Year.