This activity would be good for the physical development of preschoolers because they will learn motor skills on how to put the pipe cleaners threw the little holes on the strainers. I feel like this is an age appropriate activity because it seems like something they could do without being bored easily.
Simple Physics Activities for Kids. Explore a few of the many concepts that make up physics with fun physics activities even young kids can do too. Science experiments that make learning fun. STEM ideas for kids.