A "Ground Chakkars Special per box" contains multiple units of this classic, fast-spinning firework, typically 10 pieces, designed to produce a rapid display of sparks and colorful, spiraling lights from a flat surface. These chakkars are known for their joyful, rapid performance and are a popular choice for festive occasions like Diwali, weddings, and parties, creating a dazzling, fiery top-like effect on the ground.