Power Brain Yo-Yo

From the website:

Power Brain High Performance Yo-Yo

Get the next evolution in revolution with the Yomega Power Brain.

The Power Brain contains a smooth piston-like 4-way synchronized clutch system that engages simultaneously.

This gives you prolonged spin time and super smooth automatic returns with the most advanced auto-return technology ever created.

Includes a detailed trick handbook with illustrations to get you spinning like a pro.

Measures 2-3/8" in diameter.

$14.99.