Stack the cups up, up, up All the way to the top! The classic and colorful nesting cups from Battat come with tons of fun and loads of learning. Count from 1 to 10 - there?s a number embossed at the bottom of each cup! Then discover vibrant colors like blue, orange, green, and purple. The Stack Up Cups set can also travel with your toddler to the tub, the pool, the backyard or the beach for endless playing possibilities. A skill-building toy, these educational stacking cups can help develop your child?s fine motor skills and improve their hand-eye coordination. And storage is easy-peasy - simply nest all of the cups in the bucket and clean-up is done!