Features:1. Fart Machine: The new speaker function adds more bass and volume, those booming fart sounds you asked for. With this device, you are sure to embarrass your victim when you are in a bad mood. Hide the speaker and press the remote at the right moment.2. Multifunctional Toy: If someone upsets you, you can use it to play a prank, which will definitely make him angry. Great fun, a tricky and fun must-have you deserve.3. Suitable Occasions: Fit for birthday parties, April Fool"s Day, Valentine"s Day, Christmas, Halloween, and other parties and other holiday gifts for kids and families.4. Realistic Effect: The funny remote control fart box simulates the sound of a fart, which can be a wonderful and nice party prank toy. 5. Suitable For Adults And Children: Designed for children aged 9 - 15 and all adults (for reference only), the fart box is powered by 4 AA batteries (not included). Dimensions: 12 x 11 x 4.2cm.Specification:Material: Plastic Product Color: Black Package Size: 25 x 17.5 x 6cmPackage Weight: 165gBattery: Fart Machine: 4 x AA Battery (Not Included), Remote Control: Button Battery (Included) Package Included:4 x Fart Machine1 x Remote Control Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.