Vendor Profile
CHATANI SANGYO
| Address | #5F OG Bldg. 4-1-43 miyahara Osaka-shi Yodogawa-ku Osaka, JAPAN ZIP:532-0003 |
|---|---|
| Representative Name | Tsuyoshi Funoki |
| Annual Revenue | JPY 20,100,000,000 |
| No. of Employees | 127 |
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SD item code:11801224
| Detail | Price & Quantity | ||
|---|---|---|---|
| S1 |
Owl
 Original text before translation
ふくろう
(333-286)
JAN:4957907445891
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(333-286)
JAN:4957907445891
Wholesale Price: Members Only
1 pc /set
In Stock
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| Shipping Date |
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About 1 week
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| Dimensions |
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Product size: 87 (height) x 65 (width) x 62 (depth) mm
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| Specifications |
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Country of manufacture: China
Material / component: Borosilicate glass, etc.
Package: Individual box
Product tag: None
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Description
| Sale Special Price Fun Science Radiometer Owl Spinning around on the windowsill. Place it on your windowsill on a sunny day, and the wings inside will spin around lightly. The principle is complicated, but it looks very light. Principle of spinning One side of the feather inside the glass is painted black. When exposed to light, the black surface of the feather absorbs the light and becomes hotter. Molecular activity of the gas near the surface becomes active, and the pressure due to molecular collisions on the surface of the vane differs from that on the other surface, causing the vane to rotate toward the unpainted surface. (The inside of the glass sphere is in a semi-vacuum state.) |
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| Shipping Method | Estimated Arrival |
|---|---|
| Sea Mail | From Nov.3rd 2025 to Jan.5th 2026 |
| Air Mail | From Oct.16th 2025 to Oct.20th 2025 |
| EMS | From Oct.15th 2025 to Oct.20th 2025 |
| Pantos Express | From Oct.17th 2025 to Oct.22nd 2025 |
| DHL | From Oct.15th 2025 to Oct.17th 2025 |
| UPS | From Oct.15th 2025 to Oct.17th 2025 |
| FedEx | From Oct.15th 2025 to Oct.17th 2025 |
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Some trading conditions may be applicable only in Japan.
Purchase Notes
*This is a sale item, no claims will be accepted. *Limited stock. Please be patient when the product is sold out. |
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Fun ScienceOther items from this category:
Spinning around on the windowsill. Place it on your windowsill on a sunny day, and the wings inside will spin around lightly.
The principle is complicated, but it looks very light.
Principle of spinning
One side of the feather inside the glass is painted black. When exposed to light, the black surface of the feather absorbs the light and becomes hotter. Molecular activity of the gas near the surface becomes active, and the pressure due to molecular collisions on the surface of the vane differs from that on the other surface, causing the vane to rotate toward the unpainted surface. (The inside of the glass sphere is in a semi-vacuum state.)