Move all the balls from the right column to the left column.
PLEASE NOTE THAT COLORS VARY. Take the stack of marbles and try to place them all in the opposite column. Only one ball will fit in the sliding transporter at a time, and the order of balls in each column changes the number that will fit. Stacker is a challenging but intuitive pocket-sized puzzle that is fun to fidget with and is related to other N-ary puzzles of its type.Small pieces; not intended for children. Item measures about 80 mm by 70 mm by 15 mm. This item is 3D-printed and handmade so expect minor imperfections. Comes in a random solid colors.