Charming Pink Runechalk

Chalk One Up. As an action you can use this chalk to draw a simple symbol. A creature using this chalk must have at least an intelligence of 6 to draw these symbols. You can draw up to 20 symbols with this chalk before it is completely used up.   Square. Tunes and repairs instruments.   Circle. When standing in the circle any music you play or vocal sounds you make sound three times as loud.   Triangle. Dramatic lighting fills a 10ft. cube, increases any Performance checks by 3.   Cross. Casts a small display of Prestidigitation fireworks when stepped on by any creature.