材质：丙酸、PD-LD01。尺寸：长约41cm，内含五种听音棒。摇晃五种不同材质听音棒时，会产生不同的音效，让幼儿探索不同音调、音色及视觉的变化，有助于刺激幼儿感知发展。
A fascinating, hands-on way for tots to explore sight and sound! Each see-inside tube is filled with objects of different colors, weights, shapes and sizes—like feathers, balls, bells and sparkly gems—so kids get a variety of fun sensory experiences! Durable plastic tubes are permanently sealed for added safety. Set of 5; each measures 16".
