PIANO PEDAL PLATFORM Totally adjustable (3"-7.5"), no installation necessary! Simply slide the pedal platform over the piano pedals, turn the knob on the front edge to adjust the platform to a comfortable height. You then adjust the pedal height knob and any age child is ready to play the piano.15" W x 16" L, 16# shipping. Drop shipped from the manufacturer. Price includes $20 freight Special order please allow 2-3 weeks for delivery