Baby Deer popit rainbow. These fingertip pops produce a satisfying thumping sound that soothes your ears, whether you want to relieve the stress or anxiety of a work overload or surprise your kids with a fun toy, this fingertip toy is the perfect solution.his squeeze sensory toy is also suitable for autistic kids, or people with ADD or ADHD and OCD or high stress/anxiety levels, autism. Classic Deer shape and bright print. Just press the bubbles down and they make a slight popping sound, helping you stay focused.