Exciting creativity kit provides an intriguing way to learn the ins and outs of electronics, through fun and safe play. Over 300 projects can be created, including a laser gun, musical doorbell, AM radio, burglar alarm, various sounds and more. Variety of color-coded and numbered block pieces snap onto a plastic grid Full-color manual provides simple step-by-step instructions on how to design your own working mechanisms. Details: Includes: over 60 parts for numerous projects & instruction manual Ages 10 years & up Uses 4 AA batteries (not included) No tools required Model no. 4101017 Promotional offers available online at Kohls.com may differ from those offered in Kohl's stores. Size: One Size. Color: Multicolor. Gender: unisex. Age Group: kids.