PURPOSE: A built-up type toy block equipped with a magnet is provided to give help to the intelligence development and originality development of children by combining a miniature rail, a curve rail, and a linear rail.;CONSTITUTION: A feeder(6) and hollow are constituted on edges of the lower plate(3) and upper plate(2). Inner protrusions are formed on the lower plate and the upper plate in the inner direction. A ball magnet is inserted in the hollow. Protrusions(5) projected from the up and down end of 4 pillars(4,4',4'',4''') are inserted in the feeder. Feeding grooves are formed on both end part of a miniature rail, a curve rail, and a linear rail.;COPYRIGHT KIPO 2011
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