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Store and organize your scrapbook paper with ease with the Storage Studios Paper Holder
SKU: ERSELP0601-6
iv : Getting Started Guide includes 4 activities
this colorful bulletin board set includes: a large hot air balloon (16" x 23")
SKU: ERSTCR8274
Simple Machines Inclined Plane 4+ Years Store and organize your scrapbookMPN: 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
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