Activity & Learning Toys

NULA 2 Cylinder Steam Engine Kit, Mini Inline Swing Steam Engine Model for within 40cm Retro Boat Models Science Physical Experiment Toy for Kids Adult - Without Boiler This steam engine model has the characteristics of high speed. The no-load speed is over 3000 rpm at 0.4MPa. It is recommended to be used on retro ship models with a total length of less than 40CM. Parameter: Number of Cylinders: 2. Bore Diameter... NULA 2 Cylinder Steam Engine Kit, Mini Inline Swing Steam Engine Model for within 40cm Retro Boat Models Science Physical Experiment Toy for Kids Adult - Without Boiler