Collection: AVADA - Best Sellers
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ENJOMOR γ-Type Hot Air Stirling Engine DIY Assembly Kit - Educational STEM Model Gift
Regular price $425.36Regular priceSale price $425.36 -
Premium Hot Air Single Cylinder Stirling Engine DIY Model
Regular price $638.10Regular priceSale price $638.10 -
RETROL VE-01 Crossbeam Flame Eater Vacuum Engine Model - Educational External Combustion Toy for Mechanical Enthusiasts
Regular price $2,127.25Regular priceSale price $2,127.25 -
Electric Functional Punch Press Model - RETROL Simulated Metal for Collectors and DIY Enthusiasts
Regular price $6,381.95Regular priceSale price $6,381.95



