Abstract: A seal includes a transparent decoration, a hollow body having a bottom formed with an upwardly extending neck, a seat having a raised top fitted in a bottom of the transparent decoration and a lower portion fitted in the cylindrical body, a circuit board fitted in a lower portion of the seat and having a top on which are mounted an music integrated circuit, a light emitting means and a buzzer and a bottom on which are mounted at least a battery mounting and a switch, the light emitting means, the buzzer and the switch being electrically connected to the integrated circuit, a spring arranged within the body and having a lower end bearing against the neck and an upper end bearing against the circuit board, a rubber pad fixedly fitted in a bottom of the body, and a bottom cover engageable with the bottom of the body to cover the rubber pad, whereby the seal will give light and send out music when in use.