Learn the Keychain (One-finger Spin) Yoyo Trick - YouTube
Amazon.com: MAGICYOYO Yoyo Y03 Hertz Professional Unresponsive Yoyo, 6061 Alloy Metal Yoyo for Kids, Pro Yoyo for Advanced Yoyo Player, Long Spinning Time Trick Yoyo+KK Bearing+Bag+12 Extra Yoyo Strings- Blue : Toys
N1 Professional Aluminum Magic Yoyo K1 Spin ABS Yoyo 8 Ball KK Bearing with Spinning String for Kids - Green (3 Pack), New - Walmart.com
YoyoFactory ONE Yo-Yo – Blue (modern spinning yoyo, beginner to pro, 2 different level ball-bearings included, comes with string) – TopToy