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A Happy Child Conducts Experiments with Chemicals By Mixing Them in a Test Tube (Stock Footage)

A Happy Child Conducts Experiments with Chemicals By Mixing Them in a Test Tube (Stock Footage)

A happy child conducts experiments with chemicals by mixing them in a test tube. The boy laughs as he looks at the foam reaction in the test tube. The future of bioengineering, educational games for children.

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