Build a programmable drawing machine that can create hundreds of unique pieces of swirly, spiral art, while exploring physics and mechanics with the Melissa & Doug Innovation Academy Art Gears Includes all materials and hardware to build, screwdriver, instructions, innovation booklet, collectible Innovation Academy seal, 3 colored markers, 5 paper disks, 1 template disk. Pop a marker in the holder and investigate patterns, symmetry, and ratios by experimenting with interchangeable gears. Innovation Academy kid-powered projects encourage open-ended hands-on exploration and experimentation - - STEM learning made fun. A portion of sales of all Innovation Academy products supports The Whitney Workshop in Hamden, Conn. , which designs and teaches projects for kids and adults that blend art, science, and invention. Makes a great gift for preteens, ages 8 to 12, for hands-on, screen-free fun. Show Less