Our work is documented and made available through a series of books. Available through Amazon.
Falling Apple's first device. The Sun Puppet is practically the only way to demonstrate the most fundamental idea of Astronomy.
The first big payoff from learning astronomy is the joy of watching the sky. This calendar is the intuitive way to track the planets.
For watching the sky or studying science, the Horizon Globe is more fundamental and more fun than a telescope.
The monthly cycle of the moon is the key to the rest of the sky. The Moon Minder keeps the moon on your mind, leading to understanding and serenity.
Makes the seasonal nature of the stars intuitive. The Star Finder will have you pointing out the direction of the stars, whether you can see them or not.