Builder Upper was produced by G. This is the only pinball I’ve found like it. There is one on youtube showing one in operation. But other than that this is it as far as we can find. Typical play would be10 balls for 5 cents. Glass is painted underneath with a design that complements the. Layout, covering areas that are unused in game play. A 1000-point trough, a 1500-point trough, and an. It also has a right-side ball. Lane and two left-side. (one on each side of the 1500-point trough) to drop the ball to the lower. Around its perimeter and steps clockwise in response to upper. A ball landing in the top “Advance 1000 ball”. Steps the carousel one position and kicks one ball out from the 1000-point trough, rolling it below the outball trough to the top hole of the carousel, worth 2000 points. A ball landing in the top “Advance 1500 ball”. Steps the carousel one position and kicks one ball out from the 1500-point trough, rolling it down the long left lane to loop around and land in the bottom hole of the carousel, worth 4500 points. If the top or bottom hole of the carousel is already occupied with a ball, the arriving ball will roll down towards either an. Below the carousel, ending that ball in play, or fall into the return hole on the looping lane, allowing the player to shoot it again into play. A ball landing in the topmost. Trough to the player to shoot again. The point values for the holes in the carousel do not move when the carousel moves. As the carousel steps, all balls trapped there step with it, increasing value up to 6500 points, but a ball worth 6500 points can step next to a 2000-point position to start all over. This game is designed to be. In the sense that a ball landing in a. Will be kicked back into play and simultaneously cause another ball to be kicked back into play from one of the upper. Builder Upper’ was manufactured to be battery-operated, but one example pictured here has since been converted to line power. It has no apparent serial number, and its ball-lift mechanism is a knob on the right side of the. While the other game pictured here uses a front-loading push rod just below the. No information is available to explain the reason for the two ball-lift versions, but. Were known to make changes during production, sometimes based on. Feedback or because the original version had to be rushed to market. Laboratories released 11 different machines under this trade name, starting in 1931. Other machines made by G. Laboratories during the time period Builder Upper was produced include Par Golf, 50/50, Sink or Swim, Treasure Island, Junior, Crack Shot, 50-50, and Treasure Hunt. I do my best with the Title but there. Double check the photos.