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Fruit Battery Clock

Fruit Battery Clock with zinc and copper strips, a number of wires, electronic clock or LED plus potatoes or oranges and other fruits. First kneading the fruit to make it more loose so that the water flow more fast, plug in the two electrodes, connect the wire, install the diode or electronic clock on it

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Water Filtration Kit

The Water Filtration Kit here introduces how water gets cleaned by building a simple filtration system and more...
*1 x Water Filtration Kit, 3 x 65g Gravel, 3 x 65gSand, 3 x 90g Active Carbon, 12 x 60mm Filter Paper
*1 x 50ml Measuring Cup, 1 x Safety Goggles

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Diy Water Rocket

Diy Water Rocket is a Science products Using water and compressed air, Water Rocket flies with the same basic concept as real rockets. By adjusting the amount of air and water, the distance of flight can be varied. Let's learn about air pressure and how it works!

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Diy Mini Robotic Arm

Product details of Diy Mini Robotic Arm:
- Made of high quality acrylic material for base, it is unique and durable.
- Compatible with standard 9g servos.
- Comes with a hexagon wrench, it is convenient to assemble.
- Support 4 DOF moving, bring untrammeled and flexible experience.
- Great for robot hobbyists to DIY your own item.

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Solar Power Car

Solar Power Car is composed of 2.4G five channel remote control part and polysilicon solar panel power supply part. Through assembly, we can understand the working principle of turning mechanism, shock absorber and driving reducer

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Solar Power Experiment

Solar Power Experiment uses the high-brightness LED lamp as the light source, through the convex lens to focus on the projection film, and finally through the lens of three convex lens groups, the picture is projected on the screen, the film has the changing constellation of the moon circle, the constellation position change of the nebula and the four seasons sky, so as to understand the astronomical knowledge.

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