For this sensory bin, I gently pulled apart cotton balls for the "cobweb" bottom. I then added cauldrons, spiders, and made some witches, a lair, and a toilet paper roll mummy. I also added some salt dough tombstones and caps from the buddy fruit pouches for color. My oldest daughter is all about Halloween, so she was so excited when I surprised them with this. I also used it to go along with some Halloween books that we read together.