Hydrophilic & Hydrophobic Polymer Experiments

Hydrophilic means "water loving". Hydrophilic polymers mix well with water. Some examples are Instant Snow Polymer, which instantly expands to 40 times its original volume when mixed with water, producing a snow-like material, and Sodium Polyacrylate, the super-absorbent polymer found in disposable baby diapers, also used in many "disappearing water" magic tricks.

Hydrophobic means "water fearing". Hydrophobic polymers will not mix with water. Magic Sand repels water and never gets wet.

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Surprising Science for Kids: Magic? No, It's SCIENCE!

(1 review)

This exclusive kit combines spectacular illusions with solid science!

$25.95

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Polymer Snow Tube

Create your own winter wonderland in just a few seconds!

$4.95

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Water Marbles Tube

(1 review)

Polymer balls that absorb and expand 100 times their size in water.

$4.95

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Hydrophobic Sand Tube

(1 review)

Great for learning about hydrophobic (water fearing) substances.

$4.95

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Large Gro-Beast Dinosaurs (Set of 6)

When dry, these little dinos fit in the palm of your hand...

$6.95

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Growing Frogs (Pack of 30)

(1 review)

When placed in water these amphibians expand about 600%!

$9.95

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Dissolving Paper

(5 reviews)

Dip it in water and watch it disappear before your eyes!

$9.95–$56.95
Growing Cubes

(4 reviews)

Place these small cubes into water and watch them expand!

$6.95

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Fortune Fish

(20 reviews)

Science phenomenon at its best!

$6.95–$12.95

Growing Spheres

(25 reviews)

Place these hard crystals in water and they expand about 300 times.

$6.95

Fluorescent Magic Sand

(29 reviews)

Sand that repels water and never gets wet!

$6.95
Super Bouncing Ball Kits

(17 reviews)

Make your own bouncing balls.

$7.95–$16.95

Poly-Ox: A Self-Siphoning Gel

(8 reviews)

Watch as this fluid moves from one beaker to another on its own.

$10.95–$44.95
Sodium Polyacrylate (Diaper Polymer)

(24 reviews)

The super-absorbent polymer found in disposable baby diapers.

$7.95–$89.95

Instant Snow Polymer

(31 reviews)

Is it magic? No, it's science!

$8.95–$99.95

Water Gel Crystals - "Ghost Crystals"

(3 reviews)

Placed in water these growing crystals become virtually invisible.

$6.95–$14.95

Water Gel Spikes

(3 reviews)

Great for quantitative measuring experiments.

$3.50

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Large Gro-Beast Alligator

(15 reviews)

These alligators grow more than 6" when placed in water!

$3.95–$23.85