What kind of bonuses are there in the game?

Bonuses are power-ups that help you finish the level. You can get the bonuses by matching pieces in special figures during the match-3 level. Each bonus has its own unique effect.
1) Kite:
- destroys 4 pieces around it and one piece on the level;
- you can get this bonus by matching 4 similar pieces in square shape or 5 pieces in a square of an odd shape;
2) Rocket:
- destroys one vertical or horizontal row on the level;
- you can get this bonus by matching 4 similar pieces in a row.
3) Bomb:
- this bonus explodes 12 pieces around it;
- you can get this bonus by matching 5 pieces in "L" or "T" letters shape.
4) Rainbow ball:
- this bonus destroys all the pieces of the same colour on the field;
- you can get this booster by matching 5 or more similar pieces in a row.

Combine the bonuses with each other in order to get even more powerfull effects, see art. "What kind of bonus combinations are there in the game?".