Do not leave batteries in the vibrator between uses. If the vibrator fails to operate, check all your batteries, their position in the battery compartment and the metal spring clip which holds the batteries.
Your Nasstoys product has a 30 day warranty from the "date of purchase" against any mechanical failure.
To request a replacement under the terms stated above, please complete the following steps:
Novelties by Nasswalk, Inc.
2075 91st Street
North Bergen, NJ 07047