Two 2 liter bottles plus one tornado tube equals one tornado in a bottle! Great hands on tool for a demonstration of vortex action.
Add food coloring for fun!
Features:
– Allows two 2L bottles to be connected for the demonstration of vortex movement.
– Bottles not included. – For ages 6+
A flat shipping rate of $5.99 on any order is available for the contiguous USA.
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