Tumbler II is a sequel to Tumbler, an earlier member in our family of dynamic space packing puzzles. The goal is to pack just three (instead of seven with Tumbler)
...さらに表示 pieces in the box. The turnable handle is obstructing moves. Setting it in the right position and moving pieces around in the box is the road to succes. 15 moves are required, with 10 for the last one in / first one out.
