Check the listing for details. Solar System Orrery Science 30cm Ruler - Educational Astronomy Space Planets. Condition: New, Made in United Kingdom. Listed at 8.59 USD. Solar System Orrery Science 30cm Ruler - Educational Astronomy Space Planets A fantastically detailed and functional educational aid. The planets of our Solar System depicted in order from the sun and anotated with the name of each. To the rear a small fact file on each planet with statistics and notes of interest. We can combine postage and packaging charges for multiple purchases. If purchasing more than one item, please await a revised invoice prior to payment. We hope you are delighted with your purchase, if for any reason you are not satisfied, we offer a 14 day no quibble refund guarantee. West End Collectables is a family run business specialising in militaria, badges, marbles and an assortment of other collectables. We aim to ensure maximum satisfaction for all of our sales with fr.