Floor Piano Mat 757-04C For Kids Ages 3 And Up. This Fun And Interactive Mat Features 10 Musical Keys And 8 Instrument Sounds, Offering An Exciting Way To Dance And Play Music. With A Large Size Of 58” X 23.5”, It’S Perfect For Boys And Girls To Step On And Enjoy Creative Play. Ideal For Kids Aged 5-9, Encouraging Movement And Musical Exploration!