Elenco EP-50, DIY Electronic Playground & Learning CenterCondition:* New Surplus Stock, In OEM Packaging. As Pictured.Additional Notes:* Specifically Designed For Beginners, Ages 10 & Up* Easy-To-Build Circuits Teach You The Operation of Over 50 Electronic Circuits* No Tools Or Soldering Required, Uses Spring Hook-Up Method* This Lab is Commonly Used In The Bob Jones Home School Curriculum* Fully Assembled, Included 76 Page Illustrated Book* Detailed Circuit Diagrams And Clearly Explained Instruction Are Given* Younger Children Will Need Some Adult Help* Requires 9 Volt Battery (NOT Included)* This Kit From Elenco Is a Giant “Breadboard”* Learn About Voltage, Current, Resistors, Capacitors And Much MoreElencoEP-50