• Rheoscopic fluid literally means “currently showing” fluid.
  • TPU shell : Strong and able to be bounced.
  • Easy to shake Epitome of marvelous nebula.
  • Whether you are rotating or bouncing the ball, you can create a different kind of dazzling scenery!
  • Measurements : 9.5cm diameter (6 Colors)

Available at amazon.com for $21.99