Origami is a little tricky for them because they don't have the dexterity, but with a little help they made origami bookmarks and christmas trees as an activity. They had fun with it. Folded Paper Heart Book Page Marker – DIY
The TAPI by Dreamfarm turns any faucet into drinking fountain! Just attach the rubber nipple to any faucet, squeeze and voila! You have a very colorful inexpensive water fountain. Would be good for kids bathroom.