Sun Position Globe
Interactive desk globe displaying monthly sun positions along the ecliptic.
Inclinometer Leveler: Bubble leveler with precise angle indices for inclination measurement.
Coordinate System Board Game: Learn coordinate system math; play with two 20-faced dice.
Thread Ruler Large: Compass, Protractor and Ruler combination; Draw Arcs, Elipse,
Circles and Parallel lines (14" Ruler)
Celestial Cup Planisphere: Constellation map overlaying an earth map in a desktop 3D sky dome cup.
Trig Ruler: Visualize Trigonometry: Read SIN, COS and TAN value directly from scale
SkyTracker Planisphere
Universal planisphere featuring stereographic earth and constellation maps.
3D-Compass: Learn polar coordinates and locate stars in three dimensions.
Planisphere 24Hr Clock
Time-space navigator showing stereographic maps with constellation overlays.