Mini Steam Boiler Steam Engine Model Gift Collection DIY Stirling Engine M89 Halloween Sale Capacity: 200ml

Capacity: 200ml

great gifts for boys

and the assembly process is not easy to damage

solid powder lubrication

resistant to organic solvents

Mini Steam Boiler Steam Engine Model Gift Collection DIY Stirling Engine M89 Halloween Sale Capacity: 200ml11. 3 x 4. 5 x 10CM Mini Pure Copper Steam Engine Model with Boiler Creative Gift Set Features: . Beautiful Appearance: Small and novel in shape, can be placed in the palm of your hand like a treasure. Exquisite mini, let a person fondle admiringly. Is an excellent craft . High Quality: The product is made of all copper, delicate execution, bright surface, glittering . Boiler: The boiler can hold 12ml of water and the working time is about 10 minutes.