Problem solving becomes a rewarding work of art with Pattern Play: Color by Design! Use these brightly-colored blocks in varying shapes and the pattern cards to introduce significant math concepts like sorting, matching, symmetry, congruence and fractions. Pattern cards are numbered in order of difficulty, ranging from beginner to expert. With each dazzling build becoming more challenging, patience and confidence is gained through trial and error. The blocks can also be used to create endless freeform designs, providing hours of engaging creative play. Pattern Play is a quality learning tool that every household should own! Develops early math concepts, spatial skills, strategy and fine motor skills. 40 glossy pattern cards and 40 durable wooden blocks guaranteed to last. Sturdy wooden tray is great for storage & travel. Even clean-up is learning opportunity . Other Pattern Play products include: Pattern Play 3D and Pattern Play Revolution.