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Embark on a thrilling journey in Train.io 3D! Become the ultimate train by consuming other trains and growing ever longer. Collect screws and tools to boost your size and speed. Navigate the 3D world, devour rivals, and become the grandest train of them all. It's a fun and engaging game for kids and boys alike! Tap or click to start your epic train-growing adventure! Train.io, 3D train game, grow train, train game, 3D games, kids games, boys games, fun games, HTML5 games, online games, 3D game, train eating, collection, screws, toolbox, adventure, boy, kids