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This would be a fun project for any age. As they get older, you could get more detailed in discussion etc. of why they grow/shrink depending on the water they are put in. - For teachers...a good lesson... Fair Projects, Gummy Bears, Middle Schools, Idea, Science Projects, Science Experiments, Yummy Gummy, Bears Labs, Science Fair
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What kid doesn't like a fun "explosion"? This twist on the classic vinegar/baking soda reaction is a huge hit