Children can explore shapes and colors with these Rainbow Glitter Shapes. The set features 21 colorful shapes and 7 different colors (three shapes per color). Each shape has a hole at the top for lacing. Use these educational toys for hands-on teaching of color and shapes. Or, hang them in front of a sunlit window to decorate your space and create colorful, eccentric shadows! Made from extra-thick acrylic, these colorful shapes are designed to last for years. And just rinse them with soap and water for a good cleaning. Size of circle: 3.9" Dia.