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sand timers

SAND TIMERS ST8002(8"H 2 MINUTES) ST8003(10"H 3MINUTES) ST8001(6"H 1 MINUTES)

Detailed Product Description

Turn it over, and the blue sand falls as "hourglass" moving upward. More accurately,
both sand and water fall. While not recommended as a timer, water flow ends
at about 30 seconds. Sand flow completes at about 1, 2 or 3 minutes.

Features:
1) sand timer
2) sizes:6" - 10"
3)blue,green,purple ,red color for selection
Packing:
Polyfoam and gift box (drop test passed)

The picture just for your reference, you can design any shape for making.
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Ningbo Yunhuan Electronics Group Co., Ltd.
Email:powersupplycord@gmail.com