Make sound with water - add food coloring or liquid water paint to a pitcher of water & pour different amount to tall glass vases. Have little one tap each vase to see the different sounds. Use same color in each vase so little one learns it is the amount of water that changes the sound.
Do you know the story of the Brooklyn Bridge? This fun book for kids tells the tale featuring PT Barnum, a circus and 21 elephants. It also inspired this week's Engineering Science for Kids challenge - build a bridge to hold 21 elephants! A great STEM / STEAM activity for preschoolers and elementary aged students