The Avalanche 1966 Vintage Parker Brothers Swing Gate Marble Game is a classic board game from the 1960s that involves 2 players. Made by the well-known brand Parker Brothers, this game features a unique swing gate mechanism that allows players to strategically move their marbles to try and block their opponents' progress. Despite the gate being stuck, this vintage game is sure to provide hours of entertainment for retro game enthusiasts looking to add a piece of gaming history to their collection.