The entire contraption will sit on folding tables from the Library. The colour is a light grey tone that's a little lighter than standard Lego grey. Obviously, when you program your robot, leave the light values set in such a way that variability due to shadows and inconsistent painting won't affect the robot's operation. Behr Ultra Pure White Premium Plus Interior Eggshell White but was retinted Here are photos to help you build your robot. Playfield opened and ready for business.
Paint is a light grey colour.
The white and black squares may return in the future for a new game, for now, in Blockstacking, they are not needed. Whoever got up first or stayed up the longest would win. The sides are at about 45 degrees from vertical. To facilitate easy transport, the playfield folds. That means a little gap in the floor, and a little gap between the side walls.