With this fascinating sky dome, students can plot the position of the sun for any given time and date. An effective tool for illustrating Earth/Sun relationships, the Sun system II gives students the opportunity to participate in the process of discovery while practicing actual skills. The 12 X 6 unit includes a comprehensive Teacher's Guide.
Includes everything you need to have a Balloon Powered good time! Set comes with two Balloon Helicopters, two Balloon Racers, 31 Rocket Balloons and an 11 1/2 pump.
This fine planisphere is made with durable plastic and has a unique two-sided design for low distortion and a light background for easy night readability. 30 - 40 North. Make starfinding much easier. Also comes with a plastic package for easy storge. 8.5 in diameter
