Sponge Cave Spelunking

Sponge Cave Spelunking is the third level of the game Yoshi's Woolly World. It introduces Chomp Rocks.

Enemies

 * Piranha Plants
 * Nipper Plants
 * Nipper Spores
 * Shy Guys

Smiley Flowers

 * 1) Smiley Flower #1: In the first cave section, free the Jump Block from the dirt to use it to jump up to a room with it.
 * 2) Smiley Flower #2: Hidden in dirt in the down-hill section
 * 3) Smiley Flower #3:
 * 4) Smiley Flower #4:
 * 5) Smiley Flower #5:

Wonder Wool
Collecting all five Wonder Wools in the level unlocks Circus Yoshi.
 * 1) Wonder Wool #1: Right at the beginning, take the Chomp Rock left and destroy three blocks guarding a room. It is in there (Purple)
 * 2) Wonder Wool #2: After the first pipe, in the Piranha Plant section, use a Yarn Ball to make a stairway going up where there is a Winged Cloud. It is in there (Light-Blue)
 * 3) Wonder Wool #3: In the section where Nipper Spores first appear, jump on the last red platform to make a Winged Cloud appear. It makes platforms which leads Yoshi to a space with a pipe he must activate with yarn balls. Go in, and it is in the room it leads Yoshi to. (Pink)
 * 4) Wonder Wool #4: (Red)
 * 5) Wonder Wool #5: (Purple)

Trivia

 * Part of this level's background music can be heard in the remix titled "Yoshi's Woolly World" in Super Smash Bros. for Wii U, which pre-dates Yoshi's Woolly World.