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20 x mixture cards
record and playback
These colorful pieces are made of sturdy molded plastic to hold up to the rigors of playtime
12 professional demos
Shapes are tethered to each corner with extra thick
Simple Machines by Thames & Kosmos # 665069 craft kit 20 x mixture cardsThrough 26 model building exercise, gain hands on experience with gears and all six classic simple machines: wheels and axles, levers, pulleys, inclined Planes, screws, and wedges. Durable, modular construction system is compatible with building pieces in other construction, physics, and engineering kits from Thames & Kosmos. Learn how simple machines are all around us (the flagpole at school, the wheelbarrow in your backyard, The seesaw at the
