Preschool children are naturally curious about sorting objects. Their interest helps them develop key skills such as counting, comparing, sorting and patterning, all important skills for more advanced mathematical concepts. First Sorting Kit is designed to provide safe materials that engage youngsters in stimulating hands-on experiences. The First Sorting kit contains basic shapes, bears and fish, total 132 pieces. No small parts! Safe for young children (18 months+) learning early math, colors, classifying and sorting. Lid included.