This STEM Kit (Science, Technology, Engineering, and Math) is a great introduction to Engineering, Robotics, Circuit Building Projects for kids and teens. It's DIY science experiments use real motors, real hardware and real wood. Kids can build & rebuild endless robotic creations with a single kit. The company says it's for 8-12 year olds & teens. Dick was very impressed with the kit as you'll see in the video. There are 50+ real parts with 10 challenge cards, wood, electric motors, & hardware. You'll see a lot of the products kids built in the video. It did very well on Amazon too, 4.6 out of 5 stars from 25 customer reviews. $59.00.