Build an electronic musical device that works like a simple Theremin, an instrument in which the pitch is controlled by the movement of your hand. In this device, a light sensor inside the UFO's dome senses the changing light level as you move your hand above it, changing the sound. It is suitable for children ages 8 years and older. Contents: - Cover - Saucer - Speaker cover - Dome - Speaker - On-off switch - Circuit board - Screws 8 Specifications: - Dimensions: 22.4 cm x 27.9 cm x 6.4 cm - Weight: 299g