learn to play piano keyboard

{"title":"61 Keys Electric Keyboard Piano AC Power Children's Play Toys Musical Instrument 25 \"","imgUrl":"https:\/\/img.chinax.com\/nimg\/47\/40\/07edc7a082d9e4b8a1776f0563ce-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Man Yuk","Model Number":"SD-618, SD-611","Minimum Order Quantity":"5 cartons per style","Delivery Time":"7-20 days base on order quantity","Certification":"EN71, EN62115, 7P, RoHS,BIS","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"5000pcs\/monthly","Packaging Details":"color box","Feature":"multi function, 8 demo songs, 61 keys, programmable","Product size":"about 63 x 22 cm ( L * W )","Power":"AC \/ DC dual power supply","Microphone":"included","Color":"black, blue, silver, white, etc.","Product weight":"about 1.5 ~ 1.75kgs","Age":"3 year old and up","Gender":"boys, girls"}}