Play Rola Bola
The rola bola can be used as a single board, or extended using 4 risers to a double board. The rola bola board suface has CNC round cut outs in the and bottom of the board that fits the extension tubes, so the tubes do not slip.
Roll Diameter of 12.5 cm with wooden board measuring 65x25 cm The rolling tube has grooves cut into it that fit a rubber o-ring for better traction. You can buy more o-rings as they wear out over time