4 yrs. & up. A Hatch Exclusive! Our Ready, Set, Write! Prewriting Kit develops fine-motor skills as children experience fun and success with writing. Kit includes a sturdy wood caddy with removable dividers to allow teachers to customize to their needs, as well as dry-erase mini sentence strips, dry-erase markers and erasers, envelopes, colored pencils and 10 individual Hatch Journaling Books. 10"L x 21"W x 12-1/2"D.