Seesaw Shroom

Seesaw Shrooms are a type of a Mushroom Platform found in New Super Mario Bros. U, New Super Luigi U, and the Nintendo Switch port, New Super Mario Bros. U Deluxe. They are normally orange with a circle in the middle but have blue variants in icy courses as well. They appear in sizes up to almost a full screen.

Seesaw Shrooms tilt slightly from side to side when idle, but balance under the weight of players when they stand on it. Enemies and objects do not affect the balancing of the platform.

New Super Mario Bros. U / New Super Luigi U
Seesaw Shrooms debut in New Super Mario Bros. U and New Super Luigi U. It appears in a level named after it Seesaw Shrooms in the former game, while in the latter a blue variant appears in Cooligan Shrooms.

New Super Mario Bros. U Deluxe
Both variants of Seesaw Shrooms from the previous 2 games appear in the Nintendo Switch remake in Seesaw Shrooms and Cooligan Shrooms.