WARNING: MAY CAUSE HYSTERICAL LAUGHTER! True story: A dad and 9-year-old daughter teamed up to trick the rest of the family. When the teenager walked upstairs she heard the "toots' coming from her sister whowas sitting on the sofa. Sis laughed so hard, she had to run to the bathroom! Waaaayy too funny...especially when it's quiet! Ages & and up. Requires 1 "12V" battery, included and 4 "AAA" batteries, not included.