Grimm's | Beads Grasper - Rainbow Grimms Rainbow Wooden Beads Grasper is a tactile delight for babies but will be enjoyed by both children and adults alike. The wooden balls are joined together by a heavy duty elasticised string. A perfect first grasping toy for babies from 0 upwards, safe to put in the mouth, great for teething and an all round beautiful sensory toy. Rolling the balls around and over each other is an ideal way to relieve stress.