Colour Bomb is a booster in Candy Crush Saga. It is unlocked in Level 13 and can be used in all levels. Activation is done right before entering a level. The booster simply adds a colour bomb somewhere on the board at the start of the level.
Description
Old description: Start the game with a Colour Bomb! Current description: Start the level with a Colour Bomb! Description on mobile devices (during promotion): Start a level with a Colour Bomb in the mix. Combine it with another candy type to clear those candies fast!! Web description: Combining a Color Bomb with any candy of any color will clear all the candies of that color Web description 2: Switch a Color Bomb with a Plain Candy to eliminate all other candies of the same color.
The different wheels on mobile version even provide two of this booster if you win this.
This booster is also the least expensive when you buy it.
Before the free switch booster was added to the booster wheel on mobile version, there was a colour bomb at its place, so you had double the chance to get a colour bomb.