The Safety 1st Sound N Lights is a truly versatile activity center and walker. It has three adjustable heights for a growing baby to discover and explore. The five whimsical toys and 12 fanciful songs, lights, and sounds will entertain baby and hone their motor skills with interactive play. But dont worry, the activity tray is easily removed to sport a spacious snack area underneath. The plush cloth padding is colorful, removable, and, best of all, machine washable. The walker glided smoothly on carpet and linoleum and the grip strips helped to impede movement on disparate surfaces and stairs. The Safety 1st Sound N Lights will have you, and baby, humming and chuckling with glee.