There are three primary colours: red, green and blue. They can be combined in different ways to make every other colour. The colour of an object is determined by the wavelength of light that it ...

The Colourblocks colour things magically by touching them, but the best way for your child to get hands-on with colour is to grab some coloured paints, pencils or pens and make marks on paper.

Is that apple really red? Is his green the same as my green? Does she see thousands more colours than I do? These are the kinds of questions you may find yourself asking after watching Living ...