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No, it does not harden! It is always playable, even if you forget it on your desktop. The only way to harden silly putty would be to expose it to extremely cold temperatures. For example, Silly Putty hardens when put into liquid Nitrogen. It will harden the putty, but it will regain its texture as soon as it warms up.
What else can I help you with?
Who uses silly putty?
Silly putty is used by children who 'play' with it
Where did silly putty come from?
silly putty is in Ralphs at the toys area.
Is silly putty a fluid?
no,silly putty is not a fluid it's a solid.
What was the importance of discovering silly putty?
Putty was invented to Secure the Networks.
What is silly putty?
A mixture of borax, glue, and water to make a thickened solution called silly putty...
How do you gat silly putty off of silly bands?
Here's how you get silly putty off silly bands: Leave the silly band with the silly putty out to dry and then scrape off the silly putty. If it doesn't work, you might want to try wetting it then while it's gooey and slippery, scrape it off just the same!
How does the silly putty work?
Because silly putty is silly! And you are now silly for asking this question.
What was the original name for silly putty?
plastic putty
Is silly putty older than the slinky?
Silly putty was created by accident in 1945, and the slinky was invented in 1943; silly putty wouldn't be played with until after 1943 though.
How do you get silly putty out of a jersey without messing up the jersey?
Try spraying the spot with the silly putty on it with hairspray, and while the hairspray is still wet, pick the silly putty off.
What will hold more weight silly putty or mighty putty?
Mighty Putty will hold more weight than Silly Putty, as it is designed as a powerful bonding agent that can support heavy loads. Silly Putty is a malleable and stretchy toy that is not intended for holding weight.
James wright inventor of silly putty nationality?
James Wright invented silly putty in 1943
