Micro Stirling Steam Generator Engine 3D Magnetic Levitation Moon Lamp no need to worry about

no need to worry about the safety problem

Size: total length 80CM / handle 25CM (diameter 30MM) / sword body 60CM

due to manual measurement

You can use it if your hand is smaller than this but when spinning fully extended it may contact your palm

Articulated 7" action figure

Micro Stirling Steam Generator Engine 3D Magnetic Levitation Moon Lamp no need to worry aboutHow to use: Turn the flywheel by hand to see if it is smooth, and adjust the related screws not smoothly Check whether each sliding part is clean; Fill the alcohol lamp below two thirds; Ignite the alcohol lamp and put it on the front of the test tube. After about 1 minute, turn the flywheel and the engine rotates. The warm up time with the generator is slightly longer. Cautions: Do not touch the test tube and the metal connected to it to avoid burns.