1.custom talking book for kids education 2.ROHS CE FCC SGS 3.good voice ... , plastic tray, sponge, PVC/PET/PP window, discs, small toys like crayons, markers, garland paper, watercolors, glues, pen, pencils ... modules, sound module box, educational sound book, sound plush toys etc.More than 25 professional electronic and machinery engineers help ... with good quality. custom talking book for kids education