We enhanced the water tray by adding a washing line. As well as wringing the clothes of water and in turn developing gross motor skills they also developed their fine motor skills by squeezing open the pegs! Also lots of fun!
MIGHT USE THIS IDEA - Very Hungry Caterpillar Mobile. Hang lanterns red, 6 in two shades of green) with different lengths of fishing line. Use pipe cleaners for antennae, and construction paper for eyes and nose. Very cool in a children's library space.