Weight-shaped hollow plastic piece,

With an electronic musical system.

Made of transarent plastic in blue (2925u),

With a ball at each end, joint by a tube.

In one of the balls, there is a hole with a cover, to fill the piece with water, and at the othr end there is a electronic system with a cover.

The battery cavity also found at this end.

Uses 2 "AAA" bateries, 1.5v.

Electronic system: 9 cm diameter x 2.5 cm widht