A giant springy in the colours of the rainbow that will bring hours of fun. Let it fallfrom one palm to anotherit can even climb down stairs. Let gravity take overand see howfar it can travel. Works on two scientificproperties:wave motions andNewtons Laws.
A giant springy in the colours of the rainbow that will bring hours of fun.
Let it fallfrom one palm to anotherit can even climb down stairs. Let gravity take overand see howfar it can travel. Works on two scientificproperties:wave motions andNewtons Laws.
15cm diameter
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