The first time I saw balance bikes was touring in the Czech Republic. Tourists would pull into town, unload a balance bike out of the trunk, and take off shopping, wandering, whatever. The kid kept up with the parents, they didn't mess with him or her, and the little bike didn't get lost like a kid gets lost in a crowd. The kid has a great time, not being nailed to their parents. I couldn't figure out why everyone didn't do that, everywhere.
But sorry, that's all I got. I know 2 is not too young, that's all.
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