Ground Shaker A mighty 5-stage compound display combining thunderous salvos, silver palms, red stars, and golden breaks Powerhouse lasting 40 seconds with booming crackles, ideal for major backyard events and intense grand finales 5-stage compound creates comprehensive performance Thunderous salvos provide overwhelming audio impact Silver palms add elegant visual finishing touches Red stars and golden breaks enhance color variety Booming crackles intensify explosive atmosphere 40-second powerhouse duration perfect for major events