The STEM My Robotic Pet: Tumbling Hedgehog by Thames & Kosmos is an educational toy designed for children aged 7 and up. This year 2019 release includes all the necessary components to build a robotic hedgehog that can tumble and roll around, providing hours of entertainment and learning opportunities. With a focus on science and nature, this toy caters to different age groups including middle school and high school students, making it a versatile and engaging option for young minds curious about engineering and robotics.(open box, almost complete missing a couple of small pieces at the end of the photos of the listing I circle the things that seem to be missing and for the screws they’re only 12/15 screws included)