Featuring six graduated cups, these Green Toys Stacking Cups offer a wide array of options for wash and play time. Baby can easily scoop-up and pour-out water, construct towers and many other fun, entertaining activities. The My First Green Toys Stacking Cups are vibrant and enjoyable, and train baby on fundamental calculating and math. Made in the USA using 100 percent reused plastic milk jugs, reducing the greenhouse effect. Ideal for use at home, at school, and outdoors play as well as bath time. Up to par with all FDA food standards and is dishwasher safe too. Perfect for ages six months and up.