DURABLE KIT WITH EVERYTHING YOU NEED: Includes 1000 pop cubes in 10 bright colors (brown black red pink orange lime green yellow blue white green). Each cube measures 0.75 inch they can be snapped together or pulled apart with no difficulty. FUN WAY TO TEACH & LEARN: Easy-to-manipulate cubes connect on all six sides. These are ideal for teaching children fine motor skills shapes and sorting. What To Teach - parents teacher or caretaker can teach their kids number sense color patterns make ten one more and one less addition. Manufacturered by hand2mind. STUDENT TESTED TEACHER APPROVED MATH SET: Once they have understand early math snap cubes are great for understanding volume probability logical thinking investigating patterns measurement area graphing and geometry. Made from quality durable plastic for a continuous hands-on learning experience. Math activity for ages 4-10 Pre-K - 5th grade. EASY WAY TO COUNT & SORT: : Kids have fun while learning about different pattern styles with bright color cubes. Using the different colors they can build color pattern or learn pattern sequence. IMPROVE RETENTION: 75% of content is retained when learning hands-on. GROWING MINDS WITH HANDS-ON LEARNING: For over 50 years hand2mind has encouraged hands-on learning and discovery driving deeper understanding and helping students unlock their full potential.