These sound buttons can help to encourage children to learn basic skills in reacting to the question faster. Made of , with good workmanship, easy to be used for long time. Just press the button to activate the sound, suitable for party or other gathering use to warm atmosphere. Features - Color: Green -Material: Plastic - Size: 9.00X9.00X4.00cm/3.54X3.54X1.57in -Power supply: 2 xAAA batteries(Not Included) -This sound button is suitable for parties, gatherings, competitions and many other scenarios, better fit your needs. -Easy to use, once press the button to activate the sound, this button can be used by both adults and kids. -This button toy is made of and battery-powered, which is and for long time using. -This button with sound can be played with other voice answering toys to create a relaxed and funny atmosphere. -A good helper in the office to decompress, adjust the working atmosphere, so that everyone can relax. Package list: 2 x Sound Button Toys(batteries not included)