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Chemical Experiments for Children. Child Pulls the Beads Out of the Glass, and They Begin To Fall (Stock Footage)

Chemical Experiments for Children. Child Pulls the Beads Out of the Glass, and They Begin To Fall (Stock Footage)

Chemical experiments for children. Child pulls the beads out of the glass, and they begin to fall one by one down on their own. Fun experiments for children. A woman conducts cognitive science lessons. Fun games for children. Children stand at the table with dishes for chemical experiments.

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