Add a handle and/or a drink lid to the kids drinking glass and the child can use the glass from toddler to school-age. place the drinking glass in the handle and make it easy for even small children to use the glass.
step (baby): glass with drink lid
step 2 (toddler): glass with drink lid and handle.
step 3 (pre-school): glass with handle
step 4 (0-99 years): just the glass.
the three pieces are perfect as a personal gift.