【Safety & Quality】 Keyboard: 10.8*10.8*8.85 in, easy to assemble and disassemble, very portable for young kids to travel around. Crafted out of durable and non-toxic ABS plastic with bright color for health safety and wear resistance and guarantees years of enjoyable use, the musical keyboard also features rounded edges and soft curves to eliminate potential injuries, sturdy and non-toxic, safe for your children to play 【Connecting External Devices】 Independent audio input interface, can connect the phone , IPAD , MP3 music or the story is played directly , with the use of the microphone to the children a variety of fun 【Multifunction Piano Keyboard】 With 24 black and white keys, 4 instrument keys (Piano, Music Box, Disco, Tango), 8 percussion sound effects (4 extra drum effects), and 22 demo songs，docking MP3, recording and playback function 【Educational Kids’ Pianos & Keyboards】 Musical toys help instill in children a lifelong love of music and creation, and offer a way to help encourage good self-esteem, strong imaginations, and early developmental skills! Music mode lets them play the piano like a regular keyboard. This toy helps your child with hand-eye coordination, musical theory and fine motor skills among other important skills! Makes a perfect gift to your child 【Note】: Powered by 4 AA batteries of 1.5 V (not included); 3 legs are folded together. Please directly contact seller for a replacement if therer is any problem about the product