copper Color:Gray w/ Copper Rings while the design optimizes rotational

while the design optimizes rotational force for powerful

While the shape remains unchanged

The Small But Mighty

an impressive prototype

creates a really unique play experience

copper Color:Gray w/ Copper Rings while the design optimizes rotationalThe copper is the first bimetal signature yo yo of Keiran Cooper a celebrated competitor with victories at the European Yo Yo Championship Open Division and the UK National Yo Yo Championship. As its name suggests, the copper takes a bold step forward with a rim design crafted from copper alloy. With a density greater than stainless steel, the copper rims provide massive rim weight in a compact frame, delivering a powerful balance of spin stability