There are numerous items around my home that I could set out for the children to explore. Would be interesting to just watch and record how they use it. I wouldn’t even need to show them how to use any of it, just let them loose to explore and come up with things on their own. Work those brains! Open ended materials are truly the best was to exercise childrens thinking. My favorite open ended materials from my family child care were by far the blocks. I had to many different kinds. The tree blocks were always fun to watch the children explore.