childhood, children, cute, family, female, girl, happy, joy, kid, laughing, little, love, playing, sibling, sister, smiling, tickle, toddler, two, happy times and jolly moments, smile, smiley face, laugh, quality time, together, togetherness, siblings, playful, playfully, bear, enjoyment, cheerful, fun, facial expression, juvenile, household, closeness, touch, happiness, 2, female sibling, animal, mammal, cutaneous sensation, minor, youngster, kinswoman, belonging, perception, diversion, time of life, child, grin, utterance, grinning, person, pleasure, laughter, gesture
Young girl and her little sister spending time together on tickling and laughing