Perfect for math lessons, this kit includes pattern blocks and cards that teach patterning, symmetry, and fractions. Children can also follow the cards to make creative designs and solve puzzles. As children play, they will develop problem-solving, spatial awareness, fine motor, hand-eye coordination and logical thinking skills. Made with smooth, durable wood, these Pattern Blocks are made for young learners the included Messy Tray keeps activities contained during play. This set includes 60 wooden pattern blocks in the 6 standard sizes and colors (yellow hexagons, orange squares, green triangles, red trapezoids, blue parallelograms, tan rhombuses), 25 double-sided activity cards and 1 Messy Tray--all packaged in a sturdy cardboard box for easy cleanup and storage. Size of Messy Tray: 10"L x 10"W. Size of hexagon: 1.9". For ages 3 and up