... : All numbers , letters , chinese zodiac , chinese map , geometrical piece , they all are for baby teethers . These teethers can comfort babies and ... The numbers , letters ,chinese zodiac , chinese map , geometrical piece need to be boiled five minutes for antisepsis and to be put them ... be used as early learning toys,DIY toys , and jigsaw for kindergarten. 4 . baseboard used as mould patter,which could ...