Features: 1. Home sound machine: Just squeeze, the air inside will rush out, producing a highly simulated fart sound. 2. Simple operation: just one squeeze,put the free side up on your palm, make the ventilation opening face about 2-3 cm from the end of the thumb, and then squeeze the handheld fart device strongly. 3. Multiple sounds: You can also hear different fart sounds by adjusting the position and squeezing speed. 3. Throwing a toy: If someone makes you upset, you can use it for pranks, which will definitely make him mad. Very interesting, a tricky and interesting must-have, you deserve it. 5. Keep practice: practice and skills. This squeeze toy has a learning curve, so the more you practice, the more skilled you become. This product is a fart noise machine, highly simulated fart sound, suitable for funny and pranks. Specifications: Size: 2.5 x 8 x 8 cm Weight: 68 g Applicable age: 9-15 years old Colour: Black Package Included: 1 * Fart machine Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.