baby sensory classes

Hi IMs, this question is directed to parents to bubs 13 months and under in cairns. Im looking into business ideas at the moment and just curious to know how many mums and dads to babies would be interested in doing baby sensory classes? Classes would be for newborn babies up to 13 months. Also any parents in other parts of Australia that have done or are doing these classes with your babies please let me know what your experiences have been like? Thank you