The Amazing Water Clock makes for a great gift.
No Batteries Needed, Just Water!!
Experiment with different fluids to see which works the best.

Technical Details

Product Details

Package Dimensions
Width : 4.8 inch
Height : 3.7 inch
Length : 7.3 inch

Shipping Weight: 8 ounce (View shipping rates and policies)

ASIN : B00FQSQELK