It is a poseball for six persons.
At the time of photography, a ball can be made transparent using HUD.
Please activate a DownDownDown group and touch POP.
DownDownDown group
http://world.secondlife.com/group/ecd667c3-ba9f-ae48-e641-cd20f9758534
DownDownDown main shop
http://maps.secondlife.com/secondlife/Osaka/228/23/35