Henry's Viper Flux Yoyo + Free Yoyo Trick Book Education & Learning Toys The concave hub shape aids

The concave hub shape aids stability during play as well as being hugely beneficial for corrections during multiple diabolo play

Its soft and flexible design ensures comfortable play

Using the mathematical theory of the "Golden Ratio

which amps up the tension

Henry's Viper Flux Yoyo + Free Yoyo Trick Book Education & Learning Toys The concave hub shape aidsThe Henrys Flux yo yo is very similiar to the advanced Neo model but with the added advantage of integrated hubstacks. These consist of small black grips at either end of the axle, protruding from the anodized hubs, that allow the user to hold the yo yo whilst it is still spinning. This obviously opens up the trick possibilities enormously. The hubstacks run right through the yo yo's centre which can make maintenance a little tricky, but this is still