DUPLO 9656 Early Simple Machines
Description
DUPLO-Early-Simple-Machines-DUPLO-9656-p-The-DUPLO-early-machines-set-is-ideal-for-introducing-youngsters-to-mechanical-principles-such-as-gears-levers-pulleys-wheels-and-axles-as-well-as-investigating-energy-buoyancy-and-balance-An-activity-CD-is-available-separately-p-DUPLO-9656-Early-Simple-Machines
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