Floating Ball Game tech gadgets Two Tips】: Dual tip marker
$499.50
Description
Two Tips】: Dual tip marker pen design
easy to carry in your handbags or in your luggage
our Coloring Drawing Roll Sticker offers educational advantages
Description:
Floating Ball Game tech gadgets Two Tips】: Dual tip markerFLOATING BALL GAME: WHY ITS MORE FUN THAN YOU THINK How long can you make this ball float? Challenge you family and friends! This classic game of science demonstrates Bernoullis Principle, the Law of Pressure Differential. Gently blow into the 6 pipe and watch the ball float! Product Description: The floating ball game is an excellent example of "Bernoulli's Principle". As air is forced around the ball it must move faster in order to "catch up" on the
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