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.
Einstein said if you can’t explain it to a six year old, you don’t understand it yourself. And that sums up every person who’s ever talked about any kind of dimensions, 3d, 4d, string theory, and so on. They talk with contradictions and have explanations that no-one really understands. This infographic from ChrisRCarson will help clear things up. Learn to tell the difference from reality and perceived reality. Learn to imagine 4d and 5d like you do 3d. More
Kids physically develop at slightly different rates. There are, however, milestones to watch for at certain ages. Keeping track of your child’s progress in physical coordination at different ages can help reveal potential issues.