| http://www.w3.org/ns/prov#value | - I have found that between 15-30 minutes is a good amount of time for free play for older babies (5-12 months), 30 minutes of free play to be a good time amount for pre-toddlers (12-18 months), and for older toddlers (<18 months), 30 minutes- 1 hours is a good time amount.
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