- Description
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Did you know? Hippopotamus' need to resurface every 3-5 minutes to breathe. This process is automatic, and even a sleeping hippo will rise to the surface to breathe without waking!
6cm x 3.5cm
3+
Did you know? Hippopotamus' need to resurface every 3-5 minutes to breathe. This process is automatic, and even a sleeping hippo will rise to the surface to breathe without waking!
6cm x 3.5cm
3+