【Package Information】You will receive 4 sound buttons, and each measures approx. 9cmx9cmx4cm/3.54inchx3.54inchx1.57inch, easy to carry and store without taking up too much space. 【Great Material】The talking buttons are made of plastic, reliable, ensuring your safety and durability in use. 【Simple Design】Just press the answer buzzer, they will make a sound. The sound is loud enough to attract others to join the games. 【Wide Applications】The game answer buttons are suitable for playing games with your friends and colleagues or training your pet. Perfect for office, home, school, parties, family gatherings, friends gatherings 【Funny Gifts】Funny buttons with sound, great gag gifts for entertainment, desk gadgets, pranks, pet communication, and more, bringing you and your friends a pleasant memory. Specification: Requires 2 AAA batteries (not included in the package). Size Chart: 9cmx9cmx4cm/3.54inchx3.54inchx1.57inch. Package Includes: 4 Button Toys. Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.