Sturdy tables have hard-wearing melamine tops. legs are 1 3/4? hardwood with neatly rounded edges to prevent splinters. legs are available in 6 different heights and are included in the price of the table. legs are separately numbered and packed for shipping. table leg heights are specified by various age groups 16? 18? and 20? legs are recommended for preschool. 22? 24? and 26? legs are recommended for kindergarten. 28? legs are recommended for teachers that will be sitting with children.