Your little one will love to learn electronics with this Snap Circuits Jr. activity set. It features a simple row-and-column grid on which kids can build different working circuits using the snap-together parts. Refer the included manual to build over 100 exciting projects. Details:1 kitIncludes over 30 piecesPlastic and metalBuilds over 100 projectsRequires 2 AA batteries (not included)For ages 8 and up