Bryan Berg was introduced to card-stacking by his grandfather at the age of He is a self-taught artist in all of the techniques he uses today. Berg's freestanding card structures are based on a grid-like arrangement, which Berg tested in a.
This is interesting, esp. as schools are cutting down recess/playtime & phys ed, and the nutritional value of the food kids eat in schools is completely inadequate. Brains can't work well if the rest of the body isn't being taken care of.