The following special pegs are available.

Light Up Peg: Lights up a bucket. Obtained by hitting a lit bucket seven times.
Papa Fire Peg: Turn your pear into a fireball that will destroy more fruits than usual. Obtained by bouncing your peg off a bucket's edge then off the wall.
Papa Grande Peg: Make your pear bigger. Obtained by destroying fifty objects.
Split Papa Peg: Copies your pear and earns more points. Obtained by destroying all fruits of the same type.