Crossing Midline Kids Gym will celebrate its grand opening Sept. 9 from 10 a.m.-3 p.m. at 16143 N. Eldridge Parkway, Tomball. The sensory gym for children of all abilities offers playgroups, which are developed and led by an occupational therapist, to increase sensory experiences and gross and fine motor skills. Open play times, birthday parties and support groups for parents of special needs children are also available. 346-213-6459. www.crossingmidlinekidsgym.com