The Stirling Engine Kit is a unique educational kit that can help illustrate to children how effective even small amounts of energy can be. The engine apears to run from air alone, however it is the temperature difference caused by your body heat that powers this little device.

The Stirling Engine comes in kit form, it requires assembly letting you and your child get hands on in building the device. The engine operates due to the difference in temperature between the air around it and the air inside it. The air within the device warms up while you hold the device, causing the air to expand and contract as it moves from hot to cold. This causes the air pressure to increase and decrease, which leads to movement of a piston, thus causing the device to work.

The engine works best from only the heat of your hand when the ambient temperature of the air around it is around 10-15c, with your hand temperature being around 36-37c. If this is not possible then the engine will work well if placed above a mug of hot liquid. The kit comes with easy to follow instructions, helping you and a child to construct it quickly. It is best suited to children over 8 with adult supervision, though younger children (with supervision) may enjoy watching the engine once it has been constructed.

The Stirling Engine Kit is a lovely educational kit to create with children, or for those who want a unique desk ‘toy’. It helps to illustrate how even small amounts of energy can be used to power devices, and entertains all those who watch it in action.

The Stirling Engine Kit is just £45.95, with a small delivery fee.

Want to buy this gadget? Check out the Stirling Engine Kit – powered by your hands! article on EnviroGadget to see the lowest prices for this gadget.

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The Enviro Battery Kit contains all you need to create many different environmentally friendly batteries and other such eco-friendly items. The kit can help you turn many different household items into batteries allowing you to power items like a LED bulb or watch while explaining the science behind why these experiments work.

The Enviro Battery Educational Kit made by Green Science can be used as an educational tool to help teach children about environmentally friendly power sources, and the science behind creating electricity from chemical reactions. The kit includes the parts and full detailed instructions to allow you to create batteries from ordinary household items like fruit juices, vegetables, coins, and utensils. The kit also includes the parts to allow you to light an LED bulb, power a watch, and activate a music chip.

The Enviro Battery Kit includes 4 plates of both copper and zinc and connection wires for these, 2 specially designed bottle screw caps, a tower with a LED bulb on top, a sound chip, a LCD watch moment with protective cover and many other parts to help you create the experiments in the instructions. This educational kit is not suitable for children that are 3 or under due to the small parts, the kit is aimed for children aged 8 and up, though adult supervision is recommended.

The Enviro Battery Educational Kit is just $13.79 with free shipping.

Want to buy this gadget? Check out the Enviro Battery Educational Kit By Green Science article on EnviroGadget to see the lowest prices for this gadget.

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The Fuel Cell Car and Experiment Kit is a more advanced eco experiment kit aimed at childen aged 12 or older. The kit features a total of 30 experiments that gives children hands-on experience with fuel cells and electrolysis. There’s an experiment that breaks water down into the component parts oxygen and hydrogren using electrolysis, and then a number of experiments that use these components to create a fuel cell that powers a toy car.

The kit allows children to create hydrogen gas safely and then learn the benefits of using hydrogen as an energy source. The kit contains everything needed to do all of the experiments, including all parts, tools and a lab manual. The only thing not included is distilled water, which is pretty easy to obtain.

The Fuel Cell Car and Experiment Kit is available for $149.95 plus delivery. The kit was also recently awarded Winner of the Silver Award from the Parents Choice Foundation.

Want to buy this gadget? Check out the The Fuel Cell Car and Experiment Kit article on EnviroGadget to see the lowest prices for this gadget.

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Once the internal battery has been charged, the battery can be used to power a motor, LEDs, and a buzzer using the provided alligator clips. The kit also comes with an educational booklet which explains the different methods for reducing energy costs at home as well as energy generating methods in the real world.

The Renewable Energy Experiment Kit is available for $49.95 from Hammacher Schlemmer.

Want to buy this gadget? Check out the The Renewable Energy Experiment Kit article on EnviroGadget to see the lowest prices for this gadget.

© 2008 to 2011 EnviroGadget.com. You can now keep up with the latest eco-gadgets on the EnviroGadget Facebook page. Why not help us to spread the word?

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