Foam manipulatives provide a way for children to learn concepts through developmentally appropriate hands-on experience. Standard size heavy duty die-cut thick foam sheet measures 8.5" x 11" . Write-on/Wipe-off with dry erase or damp wipe markers. Set of 6 Human Body Foam Manipulatives includes Human Skeleton, Human Heart Model, Human Brain Model, Human Eye Model, Human Ear Model, and Human Cell Model.