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- Listing summary**※ Produced at the 100th Lausha Stained Glass Factory in Germany** **※ pure hand-made craft science toys**
**※ Produced at the 100th Lausha Stained Glass Factory in Germany**
**※ pure hand-made craft science toys**
Put the floater into the bottle, and when the hand puts pressure on the bottle, through the Archimedes principle and the ideal gas law, the floater will move up and down and rotate, as if in a ballet ~
The Raussing stained glass factory in Schrock, Thüringen, Germany, has a long history of glass making.
In the 157-year history, the stained glass factory has been at the heart of the glass city of Raosa.
Hand-made floaters, each one looks different, pieces are unique in the world of crafts.
Exerting a handful of bottles filled with cartesian diver by hand to increase the water pressure in the bottle, resulting in a reduction in the volume of gas in the cartesian diver, thus reducing the buoyancy of the water on the cartesian diver when the cartesian When the diver's weight is greater than the buoyancy, it begins to sink. After the hand drains the bottle, the water pressure in the bottle decreases, the volume of the gas increases, the buoyancy increases, and the floater cartesian diver floats.
► Product size: about 1.5 x 1.5 x 5 cm
► Package size: 14.5 x 3 cm
► Fragile glass, use with care.
► This product is suitable for use over 8 years old
► This product is heavily loaded with the use of a special bottle. Please take it carefully.
► When opening the bottle cap, place the bottle mouth upwards and remove the crystal baby of the cushion material and carefully remove the sinker.
Origin / manufacturing methods
- Int'l shipping
Ship from: Taiwan Ship to: 1st item 2nd item mainland China US$ 10.20 US$ 5.10 Hong Kong US$ 6.80 US$ 3.40 Macau US$ 8.50 US$ 4.25 Other countries/regions US$ 21.08 US$ 10.54
The shipping fee to United States is counted under "Other countries/regions".
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