Caution, these beads may get everywhere and are sometimes addictive for children (I once had a class of 4-5 year olds that would spend all day everyday on them for almost 6 months!). This fine motor skill is amazing, and some kids get really into it, making fine designs and really letting their creativity fly. Ironing them is a way to keep their design lasting forever, or you can dump and reuse your beads over and over again. Weird update, everyone in my life calls them Perler beads now. I don’t know where I got fuse beads from, but I refuse to change the name,