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Adjustable Speed Desktop Conveyor Belt Model DIY Science Friction Experiment Kit 30/50cm

Product no longer available. The stores we track no longer sell it; last price seen $32.91.

Price history: 2 daily prices tracked since 2026-10-18; lowest $32.91, highest $32.91.

Adjustable Speed Desktop Conveyor Belt Model DIY Science Friction Experiment Kit 30/50cm

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