Snap Circuits PRO SC-500 Electronics Exploration Kit + Student Training Program with Student Study Guide | Perfect for STEM Curriculum Sc-500 Awarded: The National Parenting Center-Seal Of Approval, Dr. Toy 100 Best Children's Products, Dr Toy Best Educational Products Contains Over 75 Snap-Together Parts, Build Over 500 Exciting Projects Clear And Concise Illustrated Manual Included And Available Online Includes Snap case 7 Heavy Duty Plastic Case With Custom Foam Inserts For Housing Your Snap Circuits Parts Part Of The Extremely Popular Snap-Circuits Educational Electronics Series From Elenco Electronics SC-500 Awarded: The National Parenting Center-Seal of Approval, Dr. Toy 100 Best Children's Products, Dr Toy Best Educational Products Contains over 75 Snap-Together parts, build over 500 exciting projects Clear and concise Illustrated Manual Included and Available Online Includes Snapcase 7 heavy duty plastic case with custom foam inserts for housing your Snap Circuits parts Part of the extremely popular Snap-Circuits educational electronics series from Elenco Electronics