1. It is both a toy and a Piggy Bank, each time a random button will produce a different sound and expression 2. After successfully inserting the coin, the random sound effect and the expression change are triggered. Pressing the random button will produce different sounds and expressions each time 3. The top deposit port and the back withdrawal port make the deposit and withdrawal convenient and quick 4. Press a button to switch between expressions and sounds 5. When at rest, the expression will change once every minute, in the order of happy-very happy-very sad-very sad, until the expression changes to very sad, at this time if more than a minute of rest does not play, again need to play in the next coin, to return to normal 6. Materials: ABS + electronic component 7. Use power: 3 x AA batteries (not included) 8. Size: 11.5 x 12.5 x 9cm