Guides
Comparisons and reviews of baby gear, built from published manufacturer specifications. Each guide lists where every figure came from and when it was last checked.
Balance bike seat height at 18 months
Ten balance bikes sold from around 18 months. Their lowest saddles run from 10.2 to 12.8 inches, and only three makers publish an inseam.
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Double stroller width against a 32 inch door
Four makers promise their double fits a standard doorway. One publishes a number. Here is the width each of eight strollers actually declares.
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Which strollers fit Disney's 31 by 52 rule
Disney publishes one stroller size limit and one wagon ban. Eight models checked against both, using only the width and length each maker publishes.
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Folded stroller size vs airline carry-on
Six travel strollers measured against the carry-on box United, American and Delta actually use, with folded dimensions from each maker's own spec sheet.
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What you will find here
Guides on this site fall into three shapes. Comparisons put several models side by side on the figures the manufacturers publish. Reviews take a single model apart in more detail. Buying guides explain which specification actually matters for a given situation, so the tables stop being a wall of numbers.