Detail:
- Put your cowboy in a jar or container full of clean water at room temperature to watch it start growing.
- Please note that the water temperature should be between 59-95 degrees Fahrenheit.
- Do not expect instant results, as it takes up to 72 hours for this toy to fully expand.
- Take it out of the water to watch it shrink back to its original size.
Proposition 65 Warning for California Residents.