Hot & Cold

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Heat-Sensitive Putty - Epic Amethyst

A deep purple putty that gradually warms to bright pink.

$14.95

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Ice Cream Flavors (Set of 4)

(1 review)

Why struggle with difficult ice cream recipes?

$12.95

Super Cool Slime

(3 reviews)

We all know that slime's cool, but this slime is REALLY cool - literally!

$3.95

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Climate Change Mug

(1 review)

Add hot water and observe as Florida and California disappear!

$12.95

Heat Activated Constellation Mug

(2 reviews)

Add a hot liquid. Watch as several well-known constellations appear!

~~$12.95–$69.95~~
$8.49–$69.95
Amazing Ice Melting Blocks

(36 reviews)

One of the most striking thermal energy demonstrations we have seen!

$21.95

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Chemical Heat Pack

(14 reviews)

Click a metal disk and watch the liquid crystallize.

$6.95–$74.95
Heat-Sensitive Pencils

(6 reviews)

Excellent motivational prizes for students of all ages!

$11.95

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Heat-Sensitive Paper

(14 reviews)

Our Heat-Sensitive Paper in three brilliant colors.

$5.95–$189.50

Heat-Sensitive Periodic Tables

(12 reviews)

Our periodic tables change color when heat is applied.

$17.95

Liquid Crystal Sheets (12x12 inch)

(6 reviews)

These laminated sheets of liquid crystal are temperature sensitive.

$25.95
Touch and See Square

(9 reviews)

Great addition to your science table.

$12.95

Qty:

Liquid Crystal Sheets (4x4 inch)

These laminated sheets of liquid crystal are temperature sensitive.

$7.95

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