Check the temperature once you see steam rising from the pot as well as little foam bubbles forming around the edge. (bookpage.com)
Sometimes it's open - cell foam that's glued to flap doors that disintegrates for whatever reason foam degrades, and makes a rotten mess of little foam bits everywhere, including the mechanisms. (mechanics.stackexchange.com)
Buttons Glitter Marbles or other balls too small to give your kiddo Googly Eyes (for craft projects) Gummy bears or gummy worms Beads Water beads or Tapioca beads Fake flowers or leaves Seashells Craft pompoms Little foam shapes (candokiddo.com)