Where is the route across the first gap in Level 11?

Jump right through the balloon/string area and guide the potato onto the raised middle pillar; the support is intentionally difficult to see.

Do I need to collect the white object before opening the door?

No. The white object is part of the level's visual hinting; the required route is the middle pillar followed by the right-hand door.

Mr Potato level guide

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Cross the deceptive first gap, land on the raised middle pillar, and jump from it to the far-right door.

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Move right from the left starting platform until the potato is aligned with the first gap.
Jump right through the gap and keep moving through the balloon/string area to find the hidden route.
Brake the horizontal movement as the potato descends, then land on the narrow raised pillar in the middle.
From the middle pillar, jump right to the higher exit platform once the potato has stable footing.
Walk right across the exit platform and enter the arched door to finish the level.

Jumping directly toward the door from the left platform skips the middle pillar and leaves the potato below the route.
Making a second jump while still drifting off the center pillar causes the final jump to miss the right platform.

Treat the middle pillar as the route checkpoint and stabilize there before the final jump.
The balloon and speckled white object are visual clues, not alternate goals.
If the board feels stuck, look for the color with the cleanest path and use that to regain space.

Board notes 5 details

Layout: The potato starts on a left white platform. A gap leads to a narrow raised pillar in the center, with the exit door on a higher platform at the far right.
Goal: Reach the arched door on the far-right platform; no key is shown in this level.
Opening: Move right and jump through the first gap, using the balloon and the faint hidden-route cue to reach the center pillar.
Danger Zone: The first gap and the narrow center pillar punish a blind jump or a late horizontal correction.
Mechanics: A concealed or low-contrast support makes the route appear impossible until the potato is guided through the balloon/string area.

Where is the route across the first gap in Level 11?
Jump right through the balloon/string area and guide the potato onto the raised middle pillar; the support is intentionally difficult to see.
Do I need to collect the white object before opening the door?
No. The white object is part of the level's visual hinting; the required route is the middle pillar followed by the right-hand door.