A glow-in-the-dark flying saucer is just one of 130 awesome projects kids can snap together on this easy-to-master circuit board. Over 30 colorful components, including switches, a speaker and integrated circuits, combine to ignite a love of electronics. A step-by-step project manual gives kids everything they need to master each challenge. Requires 2 AA batteries, not included. For ages 8 and up. WARNING: CHOKING HAZARD - Small Parts. Not for children under 3yrs.