Research shows that when more sensory activities are involved, lessons are better absorbed and more neural pathways are formed. With the Link4fun Foods Master-pack of Flashcards, kids are grasping and tapping the cards for larger motor movement, scanning left and right across the physical cards spread-out in front of them, listening to the words from the iPad, looking at the colorful pictures, and reading new site-words. Curious how we make the magic happen? Each card is printed on the reverse with a special invisible ink (no really!). The pattern created by the ink 'tricks' the ipad into thinking that it is recognizing a pattern that you drew with your fingers, allowing Grade PK-4