Micro Stirling Steam Generator Engine Moon Lamp With a rectangular non-skid mat

With a rectangular non-skid mat

【Special Material】: Acrylic Material to have a transparent outlooking and special sounds

Self-balancing gyroscope anti-gravity decompression educational toy finger gyroscope

This cube can be used for international competitions

Lighting time: 24-72 hours

Micro Stirling Steam Generator Engine Moon Lamp With a rectangular non-skid matHow 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.