Decorated cube (20*20*20 cm) with EXTERNAL mag.lock. The cube can be painted like dice, stone-age, fairy tale cube or has any decoration you want. There are batteries inside (battery life is around 24-30h). Players should turn the cube. Its sides should appear in the right sequence. The right side should be the upper one. When players solve the puzzle, a external magnet will open (radio signal). Standart range around 10-15m (up to your walls). You charge cube via wireless charging station (included in price).