chart of a teaching materials used child

摘要

PURPOSE: one chart is provided to for the baby that imparts knowledge to students and improves learning efficiency by connecting or dismantling various types of cards or chart. ;CONSTITUTION: multiple assembly holes (11) are formed in central member (10) with predetermined thickness. Iron plate component (20) is assembled to the middle cross beam of pilot hole. Adhere to the central module that iron plate component is set to pilot hole in iron plate on the two sides of trim components (30,31). ;The 2011 of copyright KIPO submissions