Walmart has the Costway 54 Keys Music Electronic Kids’ Keyboard W/Mic & Adapter for only $39.99 Shipped! (Reg. $66) Stimulate your child’s musical imagination for hours with the Costway 54 Keys Music Electronic Keyboard. It is ideal for beginners looking for their first keyboard or an intermediate user seeking to sharpen their skillset. An LED display allows kids to deepen their performance even further and it includes many customizable sound effects such as vibrato, sustain and chord. It also has a microphone and speaker for children to sing along with the music at the same time. The keyboard can use a wall power cord or run on batteries for the ultimate portable convenience.