Sort and Stack Shapes by Guidecraft. Includes hours of counting, sorting and stacking chunky wooden shapes with corresponding dowels. Smooth sanded, colorful blocks are easy for little hands to hold and sort. Children discover which shape has cutouts that match the dowels, encouraging fine motor skills. Develops mathematical concepts, visual perception, color recognition, and matching using recognizable shapes and colors. Set includes 13 pieces. Measures 11 X 9.5 X 3.25 Best for ages 2 years and older.