Spike Ball

Spike Balls are objects found in New Super Mario Bros. and New Super Mario Bros. Wii. They appear normally in castle levels, being an obstacle, rolling around and smashing everything in their way. Ball 'n' Chains are Spiked Balls with chains attached to a pivot, swinging in circles.

Giant Spiked Ball
A Giant Spiked Ball is a larger version of the Spiked Ball also found in New Super Mario Bros. They, like their smaller counterparts, are almost indestructble, although, Mega Mario or Mega Luigi can destroy them. They are usually found in castles. Unlike their small version, they can destroy Koopa Shells and small Spiked Balls.