Simple to make fart sound: put the free side up facing the palm of your hand, make the vent face about 2 - 3 cm behind the end of your thumb, and then press hard, finally you can hear the fart sound; In addition, you can also hear different fart sounds by adjusting the position and squeezing speed, and the effect will be better if you practice more Quality material: these fart noisers use reliable rubber as the material, there will be a little rubber smell, and it will be better if placed in a ventilated place for a period of time; Because it is made of soft rubber, the surface is easy to have a little electrostatic adsorption, and it may feel a little sticky, but this material is stable and durable, not easy to break and safe to use, you can use it with confidence What you can get: package contains 2 pieces pooter fart machines in black, enough quantity to meet your various entertainment and pranks demands, and you can share them with your family and anyone else Wide application: pooter fart machines are very funny tricky toys to be applied in your home, school, classroom, elevator and other places, it will bring you or the people around you a lot of happiness Nice gifts choice: the fart noise toys can be proper gifts choice for Christmas, New Year, April Fools, birthdays, parties and daily life to your family and friends, you will get an unforgettable time and much interesting memories When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''''''''''''''''''''''''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!