- Each puzzle of the building toys for boys age 8-12 is a science experience for itself, powered by a motor or light and batteries. The engineering kits for kids keep your little creative minds entertained for hours with the 4D build robot stem puzzles
- No tools needed for the robot building kit for kids 8-12 years! The science kit for kids features an ingenious design that allows you to assemble each puzzle effortlessly.
- Very Detailed instructions are included with the stem robot science kit that will make it easy and exciting for kids 8 and even fun for adults
- Each 3D puzzle brain model for kids is Made out of 12 to 15 special high quality plastic and foam pieces, making it a high quality DIY build a robot kit, and as a perfect birthday gift for kids
- The kids engineering kit includes the following 3D puzzles: Vacuum cleaner, Electric Airplane, Flashlight, Analog Clock, Movie Projector
