Abstract: The present invention is a book having (a) a front cover, a back cover and a spline, forming an outer portion of a book; (b) a plurality of pages affixed within the outer portion of the book and containing a plurality of words constituting a text; (c) at least one page being a three-dimensional hollow frame structure with its front being at least partially made of see-through material. The frame structure is divided into an upper section and a lower section, separated by a wall having at least one connecting orifice, and containing a trap mechanism at each of said at the connecting orifice, and including a lever functionally connected to the trap mechanism. There is also a plurality of bead-like structures contained within the upper section of said frame structure, having a sufficient shape and size to flow via gravity through the connecting orifice of the upper section to the lower section when a user actuates the lever with the book in a substantially upright position.