Hurry on over to Amazon where you can grab The First Years Stacking Up Cups for only $1.81 with free shipping on any qualifying order of $25 or more. When building baby’s toy collection, start with the classics! Nesting cups are popular for a reason, offering simple-yet-fun ways to play. Children love to fit them together, stack them up, or turn them over and hide things underneath. These eight colorful cups have large numbers embossed on the base so an older child can practice counting and begin building number recognition skills. You can ‘count’ on hours of fun!