3 years & up. Pattern Blocks and Boards let Kids explore colors and shapes hands-on as they fill wooden boards with colorful wooden pieces. Follow one of the 10 design templates or create your own mosaic using 120 tiles in 6 different shapes. This attribute set develops shape recognition and spatial relations. Matching and mosaics are a great way Includes 10 designs on wooden cards with 120 pattern blocks in 6 different shapes and colors which replicate the patterns. Stores neatly in a durable wooden case that measures 13" x 9" x 2".