Lego Lord of the Rings -
"The last one is inside the dark cave above you. You will have to do the following: Sam has to dig up the ground and build a hook from the obtained bricks. Afterwards he has to attached the rope to it and climb up to place a plant. Switch to Frodo and jump up along the leaves. Head inside the narrow tunnel and cross the precipice by holding onto the rail. The last step is taking out the Phial of Galadriel and picking up the fish inside the cave.