Balloons:

Normal Color Balloons (no icons): normal

Ice balloons (sky blue color): turns surrounding Balloons into ice.

Balloons with a spike ball (yellow color): will pop any balloons (unfrozen) or wooden blocks under it.

Balloons with a bomb(red color): will explode any balloons or wooden blocks surrounding it.

balloons with pins (pink color): will throw pins in all directions.

Balloons with triple darts (teal color): the next throw will throw 3 darts at the same time.

Balloon with a Jeti sword (Dark Blue color): Will shoot out a Jeti sword (like in "Star Wars").

Balloon with Pac-man (Green color): Will releases the one and the only Pac-Man for a few seconds.

Balloon with a boomerang (lime color): the next throw, you'll throw a boomerang.

Extra dart (purple color): will give you one extra dart.

Blocks:

Wooden blocks (brown color): will destory one block in one hit.

Cement blocks (grey color): doesn't get destoryed.

Bouncy blocks (black color): the dart will bounce off of it.