Children's senses develop by being used and therefore sensory balls are an ingenious invention 8 sensory balls from Ludi. You get 8 different surfaces that provide different and unique sensory experiences when used. That way, the sensory balls can be used several times, because the play and exploration will not be boring for the child. Ludi has designed a transparent storage jar so that they can either stand out nicely or be easily taken on holiday or just out of the house. Useful information