Educational Insights 10 - in - 1 Electronics Lab... helps young learners investigate the mystery of electricity! With 10 different circuit projects in this ONE unit, the Electronics Lab helps kids better understand the "magic" of electrical current! Includes an exploration of Morse code telegraph, a burglar alarm and a radio that really works! Comes with a 20-page illustrated project guide, plus easy-to-follow instructions and diagrams. What's more, spring-coil construction means no tools or soldering is required! Educational Insights is dedicated to creating user-friendly games and teaching aids to bring learning to life! Great for home or classroom use! Requires 9V battery (not included); Made for kids ages 9 and up (fourth grade). Pick yours up, right here! Educational Insights 10-in-1 Electronics Lab