bbA game-changing book on child development--and the importance of physical play--for this digital and screen age.bb pFor children to develop to their fullest potential, their sensory system--which, in addition to the big five of sight, hearing, taste, touch, and smell, includes movement and balance vestibular, body awareness proprioception, and internal perception interoception--needs to be stimulated from the time they are born. Their senses flourish when they explore their environment by touching new textures, including their food, running, jumping, climbing, and splashing outside. pAs an occupational therapist with a specialty in sensory integration, Allie Ticktin has seen an increase in cases of children who struggle to sit in circle time or at their desk upright and who are delayed in walking, talking, and playing by themselves and with their peers. In the recent past, kids spent their days playing outside and naturally engaging their sensory system and building key developmental