1Chosen from safe material, it is non-toxic,tasteless in characters and environmental friendly 2Bilingual Language in English and Chinese, good to improve kids' general language ability and pronunciations 3The bump wall chart has three-dimensional texture and high fidelity loudspeaker, makes baby become more addicted to study 4Helpful to improve their cognitive competence of Fruits vegetables,animals,English letters, numbers,etc 5Detailed button instructions design is convenient for to use this simple wall chart
