Pressure and Fluids

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Balloon Helicopter

$2.50
$2.50

Study Newton's Laws and demonstrate the concept of force pairs with elegant science toy.

Bernoulli Ball Blower

$3.95
$3.95

The antique toy is a great demonstration of Bernoulli's Principle. Blowing through the wooden pipe, floats the ball steadily over the pipe. This a...

Deluxe Bottle Rocket Laun

$61.59
$61.59

Stability, Quality, and Performance! This single stage launching kit provides the basics for conveniently and reliably launching water rockets. It...

Economy Bernoulli Blower

$0.60
$0.60

Same Concept Just Cheaper! Works just like our Classic Wooden Bernoulli Blower, but is made of inexpensive plastic. Great for buying in quantities...

Pascal's Demonstrator

$10.00
$10.00

When there is an increase in pressure at any point in a confined fluid, there is an equal increase at every other point in the container. Our...

Vortex Tube - a.k.a Torna

$1.19
$1.19

Create your own tornado in a bottle! Simply fill a 2 liter plastic soda bottle 2/3 full with water, screw the Tornado Tube on it; then attach the...