72 PIECES WITH 6 TEXTURES & COLORS -- This set features 72 shells with 6 different tactile surfaces and colors (red, yellow, orange, green, blue and purple). Young hands love to hold the fascinating textures! DESIGNED FOR SENSORY LEARNING -- Use these manipulatives to explore STEM concepts via light panels or sensory bins. Watch light pass through their translucent surfaces during sensory activities. A CLASSIC TEACHING TOOL -- Toddlers can use these open-ended manipulatives to develop early math and language skills. DEVELOP ESSENTIAL SKILLS -- These manipulatives are perfect for sorting, patterning, matching and more! Demonstrate early math concepts like counting, addition, subtraction and subitizing. EASY STORAGE -- Each set comes in a plastic jar with a handle for easy cleanup, storage and travel. WASHABLE AND DURABLE -- Made from washable, durable plastic, these math manipulatives are designed to last for years of home and classroom use. PLAY, LEARN & CREATE -- Our products inspire children to play with purpose. Play is the best teacher! Our high-quality, educational resources fulfill learning needs up to 12 years.