• plastic
• Music --this interesting educational helps develop good habits and interests, piano
• percussion --this percussive musical instrument is early childhood education, piano
• knocking instrument--the keys are composed of different colors, so can their ability to distinguish colors while playing, plaything
• Knocking piano -- selection of materials, safe and tasteless, will not harm the health of unique design, interesting and ,hand knock piano
• Cartoon musical instrument--made of and fine craftsmanship you don't have to worry about it hurting ,musical knocking