If you ever find yourself in Wenatchee Washington, Hooked on Toys and Sporting Goods is a pretty interesting store to check out (+vacation haul) : r/lego
Amazon.com: LEGO Jurassic World Carnotaurus Gyrosphere Escape 75929 Building Kit (577 Pieces) (Discontinued by Manufacturer) : Toys & Games
Basic Set : Set 577-1 | BrickLink
LEGO 577 Basic Building Set Set Parts Inventory and Instructions - LEGO Reference Guide
LEGO 577 Basic Building Set, 5+ | Brickset
Lego 577 1981 in Schleswig-Holstein - Lübeck | Lego & Duplo günstig kaufen, gebraucht oder neu | eBay Kleinanzeigen ist jetzt Kleinanzeigen
Lego 577 komplett, eredeti dobozában, 1980-as évek - Győr, Győr-Moson-Sopron