Play the HOP; erase the listed items with the eraser (U).
Enter the answers to the sums (V); you receive a code (W).
Take the LOCK PART (X).
Put the LOCK PART on the lock and enter 985 (Y); open the chest, move the note and put ROSA'S NOTE on it (Z).
Take the EMPTY BOTTLE (A).
Put the BEETLE on the safe for a mini-game (B).
Switch keys on the beetle to match the image.
Slide the tiles to connect pipes for the bug to move between; move the bug to the finish.
The blue barrier moves when the bug is on the tile with the blue dot.
Move tile 2, bug (C); 6, 10, bug (D); 11, 7, 6, 2, 3, 7, bug (E); 3, 4, 8, 7, 6, 2, 3 (F); bug (G).
Take the IRON LEAF and coins (H).