Wonder Egg Vibrato Black The wonder Egg has FIVE fantastic stimulation functions guaranteed to take you to heaven and back. Amazing for internal or external stimulation simply click the button at the end of the tail to take you through to find the vibration of your choice. This vibrating egg is really powerful so prepare to experience the wonder! Please make sure you store the egg in a twisted open position after use. This prevents the batteries from draining due to the egg constantly connecting to the remote control.