Give your child an exciting, hands-on introduction to electronics with Snap Circuits SC-300. This kit contains over 60 color-coded, real circuit components that snap together to create working electronic circuits and devices. This set offers 305 do-it-yourself projects that will give your child an entertaining, concrete education on how electronics work. Includes grid and 32 electrical components Each piece is numbered and color-coded Create working circuit boards just like the ones found inside televisions, radios, and other electronic devices Requires 4 "AA" batteries, not included Age 8+ WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years. Number of Batteries: 4 Learning Skill: Science, Engineering Power Source: Battery (not Included) Recommended Ages: 8 Years And Up Measurements: 2.5 Height/Inches, 12 Width/Inches, 15.5 Length/Inches Assembly: Assembled Base Material: 100% Plastic Battery Size: Aa Country of Origin: Imported