SH-016 Music Box Stirling Engine Model Science Technology Puzzle Novelty Toys

Specification:
Model: SH-016
Product Name: Music Box Stirling Engine Model
Size: 100*100*70mm
Weight: 310g

Note:
1.No lubricating oil is allowed to be added to the cylinder piston;
2.Product data are all manually measured, there may be slight errors.

Package included:
1x Stirling Engine Model