Learning Resources Rainbow Sorting Crayons - 56 Pieces, Ages 3+ Kids Crayons, Early Color Recognition & Sorting, Toddler Sort and Stacking Toys. PROMOTE fine motor and organizational skills through hands on learning Sorting and grouping are key early math skills made more appealing with the kid-pleasing colors in this set. ENCOURAGES color identification, vocabulary, patterning, and counting Set includes 8 cardboard crayons with plastic lids - brown, red, yellow, green, purple, pink, blue, orange, 48 manipulative total and Storage box.