Walmart offers the Fisher-Price Bright Beats Learnin' Lights Dance Mat for $18.99. (Amazon and Kmart charge the same, via Prime shipping and pickup, respectively.) Opt for in-store pickup to avoid the $5.99 shipping fee. That's at least $5 less than you'd spend at another local retail store. Designed for ages nine months and up, it features music, lights, sound and teaches ABCs, numbers, colors, shapes, and dance moves.