MSRP: $6.00 Age Range: 7 and upSKU or Item #: 649316Gender: Boys And Girls
Simply holding the pen will cause the liquid inside to bubble from chamber to chamber. This fun visual is a result of the chemical reaction between the liquid inside the pen and the heat from one’s fingertips. This pen educates kids about chemistry and makes study time fun.
ToyDirectory Product ID#: 15031 (added 9/4/2007)
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