Are your kids interested in technology and electronics?  They will be, once they play with

Snap Circuits Jr.

From Amazon:

Discovering the wonders of science and building cool electronics can be done in a snap—with 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. Imported.

Snap Circuits RC Rover

From Amazon:

With the Elenco Electronics Snap Circuits RC Rover kit, your child can build a working, remote-controlled rover.