3 years & up. Use these Foam Jumbo Stampers with Jurassic, Farm, Safari, Underwater, Insect, and Transportation Themes to have a stamping good time in your classroom! These chunky stampers are easy to hold, made of dense foam and have 6 different themes. Use these stampers to stamp out clearly defined pictures using paint or stamp pad. Stamps can be used for paintings, collages, letters, and more! This activity promotes creativity, color recognition, fine motor skills, and imagination. Encourage your children to create six unique scenes using each theme. Set of 48. Measures range from 2"L to 6"L.