3-Up Moon Block

The 3-Up Moon Block is a new block type that appears first in New Super Mario Bros. U this block is very rare and occurs in places unreachables for Mario only also are invisible only appear if the juador playing with Boost Mode, these blocks contain inside the 3-Up Moon.

New Super Mario Bros. U
The 3-Up Moon Block makes its debut in New Super Mario Bros. U however only be visible if a player with the Boost Mode some are in areas that can only be achieved by through the Boost Blocks when are only visible for a short time and then disappear unless the player is touching the continuously if the player manages to hit a 3-Up Moon appear.