Amazon.com: MAGICYOYO 100% Polyester Professional Yoyo Strings for Responsive and Non Responsive Yoyos - Pack of 25,Blue, Green, White,Yellow, Orange : Toys & Games
I started a new yoyo company that focuses on mid ranged aluminum yoyos. Heres my first design the "A4" for $85 : r/Throwers
4 Colors Kids Magic Yoyo Responsive High-speed Aluminum Alloy Yo-yo Cnc Lathe With Spinning String For Boys Girls Children - Yoyo - AliExpress
4A Offstring Yoyo Introduction - How to Yoyo - YouTube