mentioned in search results, often feature 24+ LEDs to create, colorful light trails for performance or fun. Echo Glow 24 - LED Glow Hula Hoop - 35" (90cm) - Firetoys
In 1958, Wham-O patented the plastic version and sold 25 million in just four months. hula_hoop_024.jpg
The hula hoop itself is a fascinating, enduring toy and fitness tool with a rich history: mentioned in search results, often feature 24+ LEDs