3 years & up. Sharpen writing skills with this Chart Tablet. The 1.5" ruled lines on every page of this tablet give children plenty of space to practice their letters and numbers. The tablet also enables educators to take an active role in this practice by writing letters on the top line and having children either trace them or copy them on the next line. No matter how educators or children use it, this tablet will help improve children's writing skills. Measures 24"L x 16"W.