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Rosewood paper grain — description and returns beneath the overlapping buy card.
Space Puzzle By Number 500 Pieces
UPC: 9781338285659
enhances classroom creativity with its metallic finish
saving you money while helping your family stay safe
SKU: ERSRS-48FP-3
Simple Machines Gear Train Mat Frames Space Puzzle By Number 500MPN: 005646 UPC: 895452001442 This device illustrates the workings of a system of gears. When you turn one gear, the meshed teeth cause the other gears to rotate as well. The second gear turns in the opposite direction as the first, and the third gear turns in the same direction as the first. By meshing together a series of gears, you can transmit force from one place to another, as well as change in the direction of applied motion. This classic