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  One year old Female baby begins to crawl up stairs

  Small brunette 1 girl holds bannister on stairway to begin climbing and crawling up stairs in house

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  Toddler female looks outside daydreaming

  Brunette little girl of one year old sits on floor in house turning her head and gazing outdoors

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  Toddler boy holds hand of father and walks on walk

  Father with cap on head holds toddler son's hand as child walks on wall while Mom looks concerned

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  Little blonde headed boy of 3 and a half years old counts eggs in basket

  Toddler boy 3 points with his finger to Easter eggs in his basket as he sits onhis slide in the grassy yard counting each egg.

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  Young female child studies leaf outdoors

  Caucasian brunette little girl studies leaf outdoors in summer