Patent ID: 7281965

Claim:
A combination yo-yo and top device comprising: a yo-yo body having first and second yo-yo body halves each having an interior side, an exterior side, a rim, and central opening; an externally threaded hollow dowel element detachably connecting one of the yo-yo body halves to the other; a ball bearing element mounted on the hollow dowel element between the yo-yo body halves; a first flywheel assembly having an elongated flywheel axle, wherein the first flywheel assembly is adapted for attachment to the yo-yo body; a second flywheel assembly adapted for attachment to the yo-yo body; a string element having a first end coupled to the hollow dowel element; a power element adapted for attachment to either the first flywheel assembly or second flywheel assembly to activate both flywheel assemblies; and at least one removable top component adapted to be secured to the yo-yo body to convert the device from a yo-yo to a top.