Requires Unity 4.3.4 or higher.
This is a kit perfectly suited for you who want to create a dart game. The kit works perfectly fine like a simple prop as well.
The board is separated in; scores 1-20, out of play area, outer bull and inner bull. You could fairly easy make collision boxes and work out the scores.
The shelf has animated (open/close) doors.
Now go make your self a dart game!