Trains - The kind that fit around the Christmas tree. Aug 23, 2022 12:11:18 GMT -7 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Ron Walker on Aug 23, 2022 12:11:18 GMT -7 Be it 'standard', 'O', '027', 'HO', or 'N' gage, it appears that planetarium people like model trains as well.