Tell us about yourself!
You can always use a Heat Stik. They melt at the indicated temperatures. You can get them at markal.com/temperature-indicators/thermomeltWonderful 'ible. I have been thinking of making a forge for a while now for my own attempts at smithing.
My mother used this very same prank on my father one year for April Fool's Day. He actually called the toothpaste company and threatened to sue them, and had sliced open the tube of toothpaste and peeled it back, dissection-style, to look for more bugs. The prank was all the better when he had to call them back the next day and apologize.
Kitchen Automatic Drawer Light
Raspberry Pi Inside Arcade Stick
Introduction to EVA Foam
Scrap Wood LED Back-Lit Wall Art