Sworld ball is filled with rheoscopic fluid that creates mesmerizing currents.
Transport yourself to another world as you shake, bounce and twirl this stunning sphere. Within this planet's shell you will see fluid dynamics visualized in the most spectacular ways. This strong and resilient ball is hypnotizing for all ages - watch a bazillion microscopic shimmering particles flow as you shake this colorful ball. After the turbulence, the SWORLD will calm and the particles will settle - amazing!
Shake & bounce this mesmerizing ball to see shimmering particles flow!$17.99
Shake & bounce the Sworld to see bazillions of intricate swirls!$17.99
Bouncing ball you can spin on your fingertips - the new fidgety craze!$14.99