Amazon.com: Yoyo Strings Professional 100% Polyester - Fits for Responsive and Non Responsive Yoyos -Yoyo Strings Pack of 50 (Red, Orange, Yellow, Blue, Green) (50pcs) : Toys & Games
5050 Yo-Yo by Dressel Designs – YoYoExpert
1950s DUNCAN 77 TOURNAMENT Yo-Yo Broken Y Pedestal Version Hot Pink Needs Repair | eBay
Vintage 50s Duncan Junior Yo-yo No String - Etsy
Vintage Paper Mache Doll Yoyo Character Doll 50s Clown - Etsy
National Yo-Yo Masters, Hall of Fame, and World Records
5050 Yoyo - an Unexpectedly Awesome Design - YouTube
Zeekio Yo-Yo Strings - Cotton - Extra Long 50" YoYo String- 10 Pack (WHITE) - Walmart.com
Collecting 1950's: Yo-yos! – Retro Dee's Guide to the Best Era Ever
National Yo-Yo Masters, Hall of Fame, and World Records
Vintage YO-YO Wood 1950s Morrell Meats Advertising Red Blue toy General Store | eBay