Heat Reactive Putty

$3.64 inclusive of GST & postage

A bouncy putty that shows its true colour in hot water!  The putty contains leuco dyes that vividly change colour around 35C. A fun reversible change. It demonstrates energy changes and heat flow. (This is the best quality thermochromic putty – we went to great lengths to find these).

Age:  5 to 12 years
Included:  25g putty of one colour in metal tin & 1 instruction sheet
Minimum order: 12  (packs of 12)   FREE shipping

Categories: , SKU: BB06

Description

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