Pop open the picnic baskets for a sorting surprise! Cast in unique colors and numbered 1â10, these fun sorting picnic baskets each hold a tasty sorting treat, from a watermelon slice to a cookie to a plump blueberry! Build color and number recognition, sorting and matching skills, and more! Baskets measure 9.9"L x 7.6"W x 2.5"H. 32 pieces.