35 simple & engaging fine motor activities for kids; lots of fun ideas that can be set up in seconds!Tap the link to check out great fidgets and sensory toys. Check back often for sales and new items. Happy Hands make Happy People!
Could also connect a bunch of locks and put all the keys on a key ring. Lots of pictures of latch, lock, etc ideas for montessori type preschool. This lock one could be made with 2 boards, some o-rings, and some locks from Dollar Store.