Collection: change
-
ENJOMOR γ-Type Hot Air Stirling Engine DIY Assembly Kit - Educational STEM Model Gift
Regular price $423.41Regular priceSale price $423.41 -
Premium Hot Air Single Cylinder Stirling Engine DIY Model
Regular price $635.16Regular priceSale price $635.16 -
RETROL VE-01 Crossbeam Flame Eater Vacuum Engine Model - Educational External Combustion Toy for Mechanical Enthusiasts
Regular price $2,117.45Regular priceSale price $2,117.45 -
Electric Functional Punch Press Model - RETROL Simulated Metal for Collectors and DIY Enthusiasts
Regular price $6,352.58Regular priceSale price $6,352.58



