See who is hot and who is cool with thermochromic materials. Concepts Introduced Include: reversible thermochromic changes, liquid crystals, leuco dyes. Contains: liquid crystal film, thermochromic paper periodic table and instructions for experiments. Ages: 8 and up with adult supervision.
M**.
I received what I expected - - happy with package would like to laminate chart - - ...
I received what I expected - - happy with package would like to laminate chart - - - will heat damage the thermionic effect
W**Y
Five Stars
i liked it it is very nice and just what I need .
Trustpilot
2 months ago
2 months ago
