Comes with 3 robot heads, 7 functional modules, basic parts and 7 connecting wires. 24-in-1 Circuit Science Robot Kit - An educational STEM kit beginners (kids) to get hands-on experience about programming, electronics assembling and robotics knowledge. Kids can assemble flexible walking robots, bubble-blowing robots and more, enjoying endless innovative DIY play STEM Toys -This STEM educational toy changes traditional learning.