Study different concepts utilizing sunlight or darkness.

• Demonstrates a variety of phenomena
• Sun can proviide illumination
• Includes a study guide

Use the gear-and-chain-driven planetarium in daylight to study seasons and the tides, or darken the room and the illuminated sun allows investigation of moon phases, eclipses, midnight sun, twilight, dawn, length of day, and more. A study guide with activities is included. 110 VAC with a 5' cord. Size: 20"L x 14"W.