Abstract: The invention relates to a biocompatible scaffold for three dimensional cultivation of cells, said scaffold comprise one or more fibers randomly oriented to form a scaffold with open spaces for cultured cells. The one or more fibers are also coated with a bio-active coating and have a diameter of 100-3000 nm.

Abstract: A Smart game is a type of an educational game that provides an unlimited horizon of information and knowledge, which can be utilized to motivate and stimulate the intellectuality of the players. The smart game is perfectly fit to teach and educate children about the knowledge and information surrounding them. This unique game contains description and visual image on each card and requires at least one player (2-4 would be recommended in order to create challenge, competitiveness and fun). The information/knowledge in this “smart game” contain politic, history, math, social, geography, astronomy, and entertainment, which include music, arts, and others.