Iron Bird store now carries a beautiful set of armillary spheres. This astronomical instrument will visualise path of the sun and planets during the course of year. Configuration of eight rings will show relation of equinoxes and solstices and also give you an idea of path of the sun and planets.
The set comes with two spheres. The bigger one is perfect to place in garden while the smaller one will fit on your desk. Simple chat commands allow you to orientate the sphere's axis towards Polaris and rotate the sphere around the axis.
The set is available at:
http://www.slexchange.com/modules.php?name=Marketplace&file=item&ItemID=406175
http://shop.onrez.com/item/394673
You can also drop by at the Iron Bird store to try out it:
http://slurl.com/secondlife/Blorkus/246/184/111