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    What People Are Saying

    Great product and great value
  • Roslyn
  • 12/25/2015
  • I was looking for this for a school project. This was a better value then I found on another site.
    Good for Scince Fair
  • Racquel
  • 06/07/2013
  • This was great. My daughter one her school's science fair. The only thing why I don't give it a five start rating is that the wire attachments connects could be a bit stronger...especially for the age group. But everything worked and she enjoyed doing it. I love that there were notes about why the things work and how they work. She is in the fourth grade and she read it and was able to speak confidently about her project at the science fair. I love this package and would recommend it to all
    Potato power!!!
  • Anne
  • 03/30/2011
  • Easy and fun to work with - a great science project for my 10-years old son he called Potato power!

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    4M Enviro-Battery

    Ages 8+

    Item# KT-GSENBAT

    $14.95 in_stock

    In Stock

    Order now to ship Tomorrow. Express shipping is available.
    Product Overview
    With this kit you can make a battery from a potato, lemon, water, coins, or even a cup of dirt or a potted plant.

    Quantity Pricing

    Save big when you purchase at the quantity levels shown below!

    QUANTITY 1 - 9 10+
    PRICE $14.95 $14.20
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    • Product Details

      4M Enviro-Battery

      With this kit you can make a battery from a potato, lemon, water, coins, or even a cup of dirt or a potted plant! Experiments in this Green Science Kit include making a potato-powered clock, a lemon-powered LED bulb, and a soil-powered sound chip (it sings like a bird!). Using the included sets of zinc and copper plates, you can experiment with many more ingredients, even soda pop!

      Lots of experiment ideas as well as fun facts are included in the illustrated instructions. The kit also has a sheet to record the results of the experiments you try. An LED, sound chip, and digital watch are included to use with your homemade batteries. Some household items are necessary (paper clips, lemon, etc).

      Want to use this kit for a science fair project? See our experiment ideas below to get you started.

      Science Fair Project Ideas:

      • If you make a stronger saltwater solution, how will it affect the strength of the battery?
      • Does the moisture content in soil affect the strength of the battery? What happens if you add fertilizer to the soil?

      WARNING: CHOKING HAZARD - Small parts. Not for children under 3 yrs. Adult supervision required.

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