Duncan Mosquito YoYo (Green) Professional Ball Bearing String Tricks Yo Yo + Travel Bag! Pro Yo-Yo For Children and Adults Duncan MOSQUITO Yoyo, Ball Bearing Professional Yo Yo + Flames N Games Travel Bag. The Duncan Mosquito yoyo packs a lot of performance into a smaller profile, as well as an affordable price! An inexpensive yoyo with a BALL BEARING axle. As a bonus, it uses friction stickers, but also has starbursts underneath of the friction stickers so you can customize your response system! Price is for one YoYo + Flames N Games Travel Bag. Shape: Wing, Weight: 46.5mm, Width: 34mm, Diameter: 53mm, Axle Width: 4.2mm Bearing Size (Inside x Outside x Width) 5mm x10mm x 4mm Gap Type: Fixed Stock Response System: Duncan Friction Sticker. *Check out our other listings in our store for more great deals and other cool toys!!