You can find the following special elements in the game:
A Thorn is an element that prevents beads from moving under it. The Thorn can be removed by making any two combinations with the bead under it, as well as by using the Magic Bow and Mirror boosters.
A Mark is a special element marking a bead. To collect the Mark, you need to make a combination with the marked bead.
Ingredients are special elements that you need to collect to complete a level. There are four kinds of Ingredients:
The Ball of Yarn
A Ball of Yarn is a special element that you need to lead along the path to complete a level.
A Bomb is a special element with a timer.
At every move the timer is reduced by 1. If it reaches 0, the Bomb will explode, and the level will be lost.
The Bomb can be destroyed by making a combination with it, as well as by using any booster.