The Duncan Bumble Bee Yo-yo has a ball-bearing axle and aerodynamic- weighted rim design that makes it one of the fastest yo-yos you’ll ever sling from a string! The Bumble Bee is responsive and dependable- thanks to an exclusive brake pad technology. The standard shape is modified to make it ideal for looping tricks. Switch out the interchangeable sidecaps for your choice of graphics. An extra color-coordinated string is included.