The Tracked Vehicle Chassis traverses over objects in its path and rough terrain. New $16.29 (25% off). Use this kit as a stand-alone or combine it with other accessories making a more complex machine with more capabilities. The gear box can be built with two possible gear ratios, standard or high. The plastic road and idler wheels are orange. The chassis consists of pre-cut wood. .

This amazing beetle-robot walks with its four legs while swinging its horn. New $12.59 (31% off). When it bumps into an obstacle, it turns around automatically and will continue walking. Horn, legs and body on which the gearbox is mounted employ transparent-colored parts, giving the beetle a funky look. Reverse switch is also transparent, giving you a peek at the beetle's internal mechanisms. Assembly is very simple with use of screws and snap-lock parts.

This helicopter was the "The Wright Inspiration". New $5.29 (29% off). It was given to the Wright Brothers when they were 8 and 12. The helicopter, and their fascination with powered flight, held Wilbur and Orville's interest as they continued on their journey into the invention of flight. The Wright Bat features Rubber band powered. It assembles in minutes with no cutting or gluing. It also flies indoors or outdoors. . Features: Also includes a history of the Wright Brothers - provided by the Wright Brothers Aeroplane Company.

The Twin Motor Gear Box uses a two motor system to provide power and speed to turn the hex shaft. New $9.19 (29% off). The gear box is made from high quality plastic.

Allowing for a large degree of adjustability and creativity in design, the Track and Wheel Set offers three different lengths of tracks to choose from. New $7.69 (26% off). Sprocket wheels, idler wheels, and road wheels have all been included. Use with a variety of Tamiya Construction and Robotics products.

Three gear ratios are possible with this 3-Speed Crank Axle Gear Box. New $7.19 (26% off). Gear it for power or speed. Durability and reliability are attained with high-quality gears and gear case.

Make your own friction driven car. New $8.39 (16% off). This kit includes a motor and all the stuff you need to mount an engine to a wood chassis. It's up to you to decide how the engine works and drives the wheels. It is a great problem solving exercise. As a change up you can substitute a 1000 mAmp solar cell!

Using the Solar Car Assembly is a great way to experiment with gear ratios and the angle and intensity of solar light. New $39.99 (34% off). With three gear ratios, high speed (1.7:1), mid speed (2.2:1), and low speed (3.4:1), you can see the difference gear ratios make under different conditions. The ball-mounted solar panel allows you to angle the panel towards or away from the sun, showing how direct and indirect solar light can affect power. Experiment under a variety of conditions (sunny, cloudy, etc.) and different gear ratios.

These are Super Neodymium Disc Magnets from the Magnet Source Not for Children! Features: * Neodymium magnets (Nd-Fe-B) are composed of neodymium, iron, boron and a few transition metals. New $7.09 (29% off). * It's the strongest magnetic material in the world! These magnets may be small in size, but they have extremely strong holding power! Very high resistance to demagnetization. * Good in ambient temperature. * Metallic in appearance.

This is the RobotiKit 6 in 1 Educational Solar Kit by Owi For ages 10 years and up. New $17.59 (19% off). Features: * Mini solar building kits teach children the benefits of solor energy while they create a toy that is both fun to play with and requires no batteries. * It teaches them how solar power is used to drive a small motor Children use the 21 snp together parts (no tools required) to build six different working models Models include: solar windmill, solar revolving plane, solor airboat, solar plane, solar car and solar puppy Includes solar module and gear box.

Universal Plates can be used in many projects. New $6.29 (33% off). The universal plates are 160X60mm. This set can be used as frame or chassis for various constructions. 3mm holes are spaced 5mm apart. .

Tamiya now presents the Mechanical Tiger as its next addition to the Robocraft Series. New $13.79 (29% off). Power from the rotating motor is transferred to the legs via crank plates to make the tiger walk. Tiger's body parts have been molded with yellow semi-transparent plastic, giving the tiger a futuristic look. Assembly is very simple with use of screws and snap-lock parts. Features: Power from the rotating motor is transferred to the legs via crank plates to make the tiger walk. 2 possible gear ratios coupled with 4 different strides let you choose 8 different speeds. A reverse switch also allows backward movement.

Assemble a Double Gearbox (Left/Right Independent 4 Speed) with this Educational Construction Kit from the Tamiya GeniuSeries Suitable for Ages 10 & Older. New $9.59 (28% off). Features: * Suitable for use with remote controlled robots. * Left/right independent design means you can set different gear ratios for either side. * This set can be assembled for 1 of 4 different gear ratios: 12. * 7: 1, 38. * 2:1, 114. * 7:1, 344. * 2:1 Hexagonal shaft. * Motor cover and crank arm. * Durably molded gear box case, gears and pinion gears. * FA-130 type motor included with a torque of 3V. * Detailed assembly guide.

New and Improved version!!! Each of these hands on kits allow students to explore design and propulsion situations in a fun learning environment. New $6.09 (12% off). The Mousetrap Vehicle really works and has some new components including a mousetrap, wood chasis, wheels, axles, string, brass rod, paper wheel extenders and some other hardware. The kit really works well and solves that mousetrap assignment about every kid in America gets sooner or later!

This is Slinky Experiment #153 Minilab Electricity Kit by Slinky Toys For ages 8 years and up. New $10.19 (36% off). Features: Build circuits with switches, wires, contacts, bulbs and more Learn about electricity and experiment with conductors Make your own real working circuit board 48-page instruction booklet included.

Getting its name from the way the gears rotate like the planets around the sun, the Planetary Gear Box is a precise, highquality gearbox with a RE-260 motor built into the gear box itself to add to its compactness. New $15.79 (34% off). A wide range of gear ratios can be attained, and two kinds of crank arms are supplied for a wider range of functions. The gearbox has the ability to produce 15kg of torque when the gear ration is at 400:1 and it has a voltage of 3V. .

The Super Solar Racing Car is a Mini Solar Robot Kit by OWI Suitable for Ages 10 & Older. New $10.19 (14% off). Features: * Surprising speed powered from the sun! Simply shield its power source and depress its brakes to bring it to a stop. * Easy-to-assemble with no batteries and tools required! This educational kit demonstrates alternative energy principles. * Illustrated assembly guide.

Tamiya presents the robot replica of the beloved kangaroo from Australia. New $13.09 (29% off). This amazing kangaroo-robot jumps by moving its rear legs simultaneously to go forward. When walking slowly, it also uses its front legs (just like they do down under) and when running quickly, it uses its tail for balance. Legs and body on which the gearbox is mounted employ transparent-colored parts, giving the kangaroo a funky look. Reverse switch is also transparent, giving you a peek at the kangaroo's internal mechanisms. Assembly is very simple with use of screws and snap-lock parts. Cable ends are rubber capped with cut areas pre-marked for easy wiring.

The Ladder-Chain & Sprocket Set includes 96cm of chain and several sprocket wheels. New $10.59 (29% off). This easy to build set can be used to create a multitude of projects. .

This is the Transforming T3 Solor Robots by Owi For ages 10 years and up. New $17.59 (19% off). Features: * T3 easily tranforms into three intergalactic designs: Tank, Robo and Scorpion. * Easy instructions and basic building skills are all that's needed fo young science fiction buffs to see the benefits of solar energ before their very eyes. * Solar powered.