A Firestorm yo-yo. Number six of six Yomega yo-yos offered by McDonald's between November 21 and December 21, 2000.
With a traditional yo-yo, the string loops around the axle. With a transaxle, a special, low-resistance plastic ring slips over the axle. The string wraps around the outside of the ring. With a yo-yo, such as the Yomega FIRESTORM the string never touches the axle. Not only does the ring (i.e. spool) permit extra long spins, it also gives the string a longer life.
"With the purchase of any Yomega/McDonald's X-Brain or Firestorm for $2 (food purchase necessary), you could be the proud new owner of a Power Brain. Inside every package looms the chance of winning this new generation of yo-yo."