Bobo Explores Light brings everything you ever needed to know about light into one intuitive and engaging app. The introduction blends together an interesting story seamlessly with teaching your child how to use the touch-screen to get the most out of the app. There is no spoken text, but so much to learn! Features like taking snapshots of what is interesting to you, a thorough and interest-sparking table of contents, a 3-D manipulation of images and more, make this app a must have. Every time you open this app you will take away something new about light.