Trek's tiny-and-tough Mystic 12 is the perfect first bike for your young'un. It's everything a first bike should be: colorful, easy to ride and built to last. This great tot rod is made of kid-proof steel and has brawny steel rims. Its safety package includes a chainguard, pads and fenders. And it comes with heavy-duty training wheels to help your little one ride with confidence right away.