Ebay offers FAO Schwarz Giant 69" Dance-On Piano Mat for $24 (reg $40) with free shipping.

Product Description:
Does music, dancing, and fun run in your family - including your little ones? Aren't you sick and tired of children's toys that have little to no educational value and prove to be nothing more than a brief - albeit expensive! - distraction for your kids? If all that sounds familiar, then there's one thing for sure: you and your little ones are going to love this wonderful piano dance mat! Combining both music and dancing, these amazing piano dance mats are a great way to entertain your children and help them develop their artistic and creative skills - both at the same time! With 38 different notes and 5 classic, beloved tunes to learn, your little ones will soon be dancing on the piano mat, creating their own music with the pitter-patter of their tiny feet, and recording their musical creations to play back for you!

• Number of Pieces: 1
• Dimensions (Overall): 31 Inches (L), 69 Inches (W)
• Suggested Age: 3 Years and Up
• Educational Focus: Music
• Material: Plastic
• Power Source: Battery
• Battery: 4 AA Alkaline, Required, Not Included