US$ 14.99
Micro Stirling Steam Generator Engine Moon Lamp As ceramics are made with
$67.70
Description
As ceramics are made with high-temperature soil (higher than 1230°C) and unlike plastic or glass
With a rectangular non-skid mat
Self-balancing gyroscope anti-gravity decompression educational toy finger gyroscope
will bring you a better skin touch
Micro Stirling Steam Generator Engine Moon Lamp As ceramics are made withHow 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.
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