The Thames & Kosmos Mega Cyborg Hand STEM Buildable Hydraulic Kit is an educational toy designed for children ages 7 and up. This kit allows kids to explore the world of electronics and electricity by building their own hydraulic cyborg hand. With detailed instructions and all the necessary components included, children can learn about science and nature while having fun. This hands-on project is perfect for young makers and inventors looking to spark their creativity and curiosity.