STEM Robotics Kit for Kids 8-12 | Bundle of 3 Build Your Own Robots Set: Spider Octopus and Dinosaur Plus Tattoos | Engineering Technology Set. This introduction to engineering science set includes 3 project kits: 1 jumping spiders kinetic energy project, 1 gear exploration learning set, and 1 robotic octopus. These Science, Technology, Engineering and Mathematics experiment kits are perfect for parents to build with their little one to bond while learning about science or for teachers to use in class as a teaching example. Encourage your little one to get excited about learning and with these stem activity kits. These educational activity kits are great for elementary students to get hands-on experience. This STEM project kit for boys and girls also includes temporary tattoos.