DESC: AWARDS: The National Parenting Center-Seal of Approval, Dr. Toy 100 Best Children's Products, Dr Toy Best Educational Products Contains over 30 Snap-Together parts. Build over 100 exciting projects. Clear and concise Illustrated Manual Included and Available Online. Build exciting projects. Build a buglar alarm, doorbell and more., Recommended age group: 8 - 12 years, Manufacturer: Elenco Electronics Inc