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Potential Energy Mystery Toy Experiment
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Want to amaze and entertain your cat or small child for hours on end? By using potential energy this “mystery toy” will captivate babies and felines alike.
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7
Comments
Pam K
Cool
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shazia a
AWESOME AGAIN!
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Jeanette M
this does not work
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Grace H
I am echoing Beth N's question. What is the actual scientific reason behind the movement?
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Beth N
How do we learn more about whats going on (the concept of it?)
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