Simple Machines Inclined Plane 4+ Years Bold colors and patterns capture

Bold colors and patterns capture attention and are easy to see against whiteboardsEach pointer features a different solid-colored top and patterned handleEach pointer measures 15"L

SKU: ERSTCR8274

Store and organize your scrapbook paper with ease with the Storage Studios Paper Holder

SKU: ERSELP0601-6

Use these adorable wood trees for loose parts play

Simple Machines Inclined Plane 4+ Years Bold colors and patterns captureMPN: 005646 UPC: 895452001268 The great blocks of stone that made the pyramids weren't lifted into place they were rolled up ramps, or what we now call inclined planes. The inclined plane, one of the simple machines, allows you to raise great weights with small forces. This model lets students experiment with this principle directly, by seeing how much force is needed to pull the cart up the ramp. This classic wooden model offers children a basic