Larger than A1 in size - The Waves Wall Chart is ideal for your Physics classroom. Suitable from GCSE to A-Level, it is colourful, concise and outlines the key concepts of this topic. Purchase it for your classroom from only £5
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.