Collection: change
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ENJOMOR γ-Type Hot Air Stirling Engine DIY Assembly Kit - Educational STEM Model Gift
Regular price $423.29Regular priceSale price $423.29 -
Premium Hot Air Single Cylinder Stirling Engine DIY Model
Regular price $634.98Regular priceSale price $634.98 -
RETROL VE-01 Crossbeam Flame Eater Vacuum Engine Model - Educational External Combustion Toy for Mechanical Enthusiasts
Regular price $2,116.86Regular priceSale price $2,116.86 -
Electric Functional Punch Press Model - RETROL Simulated Metal for Collectors and DIY Enthusiasts
Regular price $6,350.80Regular priceSale price $6,350.80



