For my math teaching friends---FREE! grade geometry and number sense printable posters/anchor charts/focus walls. The illustrations help students understand mathematical finding area, plotting shapes on the coordinate plane with ordered pairs.
How to Make a Catapult for Kids - this fun STEM Activity will keep them busy for hours! Four to six Popsicle sticks, three or more rubbed bands, glue (or glue gun), small cap, cotton balls or other small items (buttons?) for catapulting.