The present invention relates to a novel fireworks safety device. The device is an adjustable tool for securing fireworks in an upright position. The device comprises a square-shaped base component of wood or metal with openings on top to retain fireworks. The device also comprises a sliding tray component and at least one chamber to separate the sliding tray component away from other portions of the device. The sliding tray component slides to adjust to secure different sizes and amounts of fireworks. Further, the device is portable via an attached carrying strap for easy transportation.