NEW WAYS TO PRANKYou get 3 pcs PCB sound pranks, which is the ultimate gift or revenge prank, simply activate the sound maker and hide it; It will beep, scream or make a cricket sound at random intervals of 5 to 25 minutes, a great April Fool's joke for your friend or colleague. This PCB uses a high-capacity battery, and your victim will lose their mind before it runs out of power. UNIQUE SOUNDSThis device contains 7 types of sounds to choose from. With the push of a button, you can easily change the sound. Sounds include: a normal beep, a high-frequency scream, and a cricket sound and more. Take the crown as the funniest prankster on April Fool's Day. COMPACT AND LIGHTWEIGHT1.69x 0.51 x 0.42 inches and 0.28 oz; This tiny annoying sound device can be easily hidden in most places. You can even use small stickers to attach it in an inconspicuous place. Once set and hidden, the sound from the interval bothers him/her and can't help but want to find it; As long as it hides well enough, no one can find it; Before they find it, those looking for it will growl and become furious. MORE CRAZY EFFECTSThis set includes 3 machines, which can satisfy pranks with different voices in different positions at the same time. Make the victim more annoyed. If that's not enough, you can also buy multiple sets of products at the same time. HIDDEN HINT: (Mimic) hide it near the electrical appliance that emits a beeping sound. Such as near TVs, refrigerators, air conditioners. (Unexpected corners) such as under the table and chair, the back of the potted plant, in the air conditioning hole, near the exhaust port, near the pile of garbage, above the chandelier...(Impossible places) such as: the top of the car's glove compartment, inside the mattress or sofa, in the wooden floor or in the wall of the brick mezzanine...