Color-coded components make experimenting with simple circuit boards fun and easy. Includes step-by-step instructions for 63 hands-on projects, including a disk-shooting rover, a flickering metronome, and a car alarm. The plastic components snap together with no glue needed.
WARNING: CHOKING HAZARDsmall parts not for children under 3 years.
For ages 8 and up. One 9-volt and six AA batteries, not included.