Decorate art projects or create colorful math activities with Number and Sign Stamps! Each 15-piece stamp set includes numerals 0-9 and division, equals, multiplication, addition and subtraction signs. Use these stamps as hands-on, visual math practice. Also use them to decorate cards, notebooks or scrapbooks! Number and Sign Stamps feature curved handles for easy fingertip grip. As children stamp, they will develop fine motor skills and hand-eye coordination. The stamps are packaged in a labeled, sectioned storage case for easy clean-up. The stamps can be cleaned with warm soap and water, which makes them an ideal home or classroom accessory! Size: 1"L x 1"W x 1"H.Each set includes 15 stampers. Sold as 2 sets for a total of 30 stampers.