| 摘要 |
A combination light pen, which includes an upper barrel, a pen cap and a connector fastened to top and bottom ends of the upper barrel, a LED and battery circuit assembly mounted in the upper barrel, a push-button switch mounted in the pen cap and operated to turn on/off the LED, a transparent lower barrel fastened to the connector to hold an ink cartridge and a transparent conical socket, wherein the lower barrel comprises a water chamber disposed around the ink cartridge, a liquid filled in the water chamber, and display items floating in the liquid inside the water chamber.
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