Snap Circuits Jr. SC-100 with Student & Teacher Guides Discovering the wonders of science and building cool electronics can be done in a snapwith this exciting building kit. Winner of a Dr. Toy 100 Best Children's Products award, Snap Circuits Jr. comes with easy-to-follow directions that help you snap together a variety of intriguing experiments. Create things like a dual-speed fan, periodic doorbell, photo sensor police siren, flashing laser light and more. Comes with over 30 easy-to-identify reusable color-coded parts and instructions. Contains more than 30 Snap-Together parts Build more than 100 exciting projects Exciting projects include burglar alarm, doorbell and more Awards: The National Parenting Center-Seal of Approval, Dr. Toy 100 Best Children's Products, Dr. Toy Best Educational Products