The child has to observe through the cellophane paper the outline of the object.
for eg. Apple, the child sees through the blue cellophane paper and he says that the apple is blue according to him it is right because he has seen through boy colour. It is the child’s perception there is no right or wrong as such but we can explain to the child by showing through the red cellophane paper now tell what colour is the apple. It also helps in learning of colour in different ways where the learners really enjoy and also know about the environment and the objects.
To know more about watch the video , link given below…