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 control at the right moment. 2. Multi-functional 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 you deserve. 3. Suitable occasions: Suitable for birthday parties, April Fool's Day, Valentine's Day, Christmas, Halloween and other parties and other holiday gifts for children and families. 4. Realistic effect: The funny remote control fart box simulates the sound of a fart, which can be a wonderful and pleasant party 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: 11 x 8 x 8 cm. Specification: Material: plastic Product color: black Package size: 25 x 17.5 x 6 cm Package weight: 165g Battery: Fart machine: 4 x AA battery (not included), Remote control: Coin battery (included) package contains: 4 x Fart Machine 1 x remote control