This educational kit is loaded with more than 300 projects to build. For example, kids can learn how transistors and capacitors function, and how to make time-delay circuits. In addition, this version includes circuits showing how oscillators and photo sensors work. Projects involve an AM Radio, Burglar Alarm, Radio Announcer and more. Contains over 60 parts. Requires 4 "AA" batteries, not included.

Curious young minds can learn the basics of electronics as they build more than 100 exciting projects with this kit. Work on projects that make sound effects, engineer different types of alarms, build touch circuits and play games. Contains over 30 parts in all. No soldering is required -- pieces snap together. Requires 2 "AA" batteries, not included. Box measures 10" x 15" x 2".

My First Lab Duo-Scope Microscopes uses are unlimited with dual lights. It has the flexibility to view both slides and solid items. View slides with the light shining up from below and view solid objects with the light shining down on the specimen. It is fun and educational for scientists of all ages. It includes over 50 pieces of accessories for hours of scientific research. It requires 3 AA batteries, which are not included. It contains glass and sharp instruments. Also it includes: vinyl dust cover, five plain slides, one concavity slide, four prepared slides, cover glass, plastic dropper, two bottles of stain, slide labels, lens paper, forceps, scalpel, plastic test tube, plastic Petri dish, straight teasing needle, and instruction manual and helpful hints. It features: 10X eyepiece; 4X, 10X, 40X objectives, 40X, 100X, 400X Magnification, real optical glass lenses, dual focusing knobs, two LED lights, and six hole disc diaphragms

Dr Toy 100 Best Children's Products Winner. Even Edison would be intrigued. Engineer 500+ exciting, useful electronic gadgets & play lively electronic games! A walloping collection of materials! All parts snap easily. Clear instruction manual makes circuit assembly stress-free fun. Experiment Examples: Musical Doorbell, Laser Gun, Race Game, Lie Detector, Electronic Kazoo, Make Your Own Battery, Morse Code Generator, Mind Reading Game, Race Car Engine, Telegraph, AM & FM Radio. (No Tools Required. Requires 4AA Batteries) Ages 8+

Have fun building your own R/C Snap Rover using the colorful Snap Circuits parts. There is no soldering required -- all the parts snap together with ease. Once completed, you will be able to navigate your surroundings with the easy-to-use Snap Rover Remote Control.

Rover has left and right turning control and goes forward and backward. Also features headlight, sound effects, red and blue side lights, and wireless remote control so you can run up to three cars at the same time. Includes 30 parts that build over 20 projects and full-color assembly manual. Requires one 9V battery and 6 "AA" batteries, not included.

Curious young minds can learn the basics of electronics as they build a flying saucer, plus four other exciting projects. Engineer a flying saucer; then press and release the switch and watch the saucer rise into the air! Easy to build and fun to use. Requires 3 "AA" batteries, not included. Saucer measures approximately 6" diameter.

Fun In The Sun Just what can solar power...power? Find out with RobotiKits 6 In 1 Educational Solar Kit that comes with one solar module and one gear box, and 21 snap-together plastic parts. No tools required. Build 6 different solar-powered models (windmill, revolving plane, airboat, plane, car, solar puppy) or one of your own. Assembled units are roughly 4" across, in varying heights. For age 10 and up.

Projects in Electricity 40 Page science book and kit with 18 Activities. All materials are included except one D-cell battery. The children's classic should be your child's first Electricity book and kit. Beautiful step-by-step, highly visual instructions and child appropriate materials designed for young children to work independently. Add a touch of whimsy, include all materials, and you've got: ScienceWiz Electricity. Build circuit loops Light lights Buzz buzzers Spin whiz bangs Send coded messages Play hours of motor mania Country of Origin: U.S.A., China & Hong Kong.

Can you set up a solar panel to run a radio, make a fan, or turn on a light? These do-it-yourself science experiments help kids develop a basic knowledge of solar energy. And each science project involves putting parts together to make functioning gadgets - kids love science more than ever as a result! Children can do a series of do-it-yourself experiments to acquire the basic knowledge of alternative energy - solar energy with this kit: Experiments included teach how to make an electrical circuit, make a solar circuit, how to increase voltage and current, and how to use solar power to produce energy for a radio, calculator, battery charger, a cassette player and more! We know, even dad wants to get in on the fun. Ages 8+

The Robotic Arm Edge OWI535, a Dr. Toy 2008 Best pick, gets a much-anticipated accessory with the introduction of the USB Interface Kit. Now robot lovers can connect the Robotic Arm Edge 535 to a PC and have real time manual control of the robotic arm and program the arm to perform a sequence of movements just like an actual robot on an assembly line. The USB Interface Kit comes complete with a CD, printed circuit board, USB cable and accessories, and a detailed instruction manual