Like most Montessori activities, this is self-correcting so there is minimal need for the caregiver to be involved in the activity. Perfect to keep you loved one occupied if you need a moment of time to regroup.
Create a nut and bolt kit by supergluing bolts in place on a wooden board and place the nuts in a container next to the activity. The participant chooses from the container and guesses which ones fit until all nuts are on the correct bolt.