Green Toys Sorting and Stacking Bundle The Green Toys Sorting and Stacking Bundle includes Stacking Cups and the Shape Sorter Baby Toy Made in the USA from 100% Recycled Plastic Shape Sorter helps develop recognition of shapes and colors while also encouraging eye-hand coordination, problem solving and fine and gross motor skill development The blue, green, and purple My First Green Toys Stacking Cups let children scoop and pour water, build towers by turning them upside down, or just sort sizes to nest