Follow our crystal clear walkthrough and helpful tricks to get you through the rough spots!

Move the trams to the tracks of the matching color.

To solve the puzzle, swap the pieces in this order: K-1, 1-2, J-K, K-1, 1-3, E-1, 1-K, K-J, B-1, 1-E, A-B, B-1, 1-K, 3-1, 1-B, B-A, C-B, B-1, 1-3, H-1, 1-B, I-H, H-1, B-C, 1-B, 3-1, 1-H, H-I.

B-1, 1-3, C-B, B-1, 1-H, 3-1, 1-B, B-C, 2-1, 1-B, K-1, 1-2, E-1, 1-3, F-E, E-1, 1-K, H-1, 1-E, E-F, D-E, E-1, 1-H, 2-1, 1-E, E-D, H-1, 1-2, G-H, H-1, 1-E, 2-1, 1-H, H-G, I-H, H-1, 1-2, K-1, 1-H.

H-I, 3-1, 1-H, L-K, K-1, 1-3, 2-1, 1-K, K-l, J-K, K-1, 1-2, E-1, 1-K, K-J, 2-1, 1-K, F-E, E-1, 1-2, 3-1, 1-E, E-F, 2-1, and 1-E.

Go through the door.

Zoom into the beltline and use your puppet helper in it to get the GAS BURNER PART (M).

Zoom into the burner on the table. Place the 2 GAS BURNER PARTS to it. Take the GAS BURNER (Q).

Zoom into the chain; use the GAS BURNER on the chain (R).

Walk down.