ABC alphabet brick capitalize character cube dice die game learn letter play word blackboard board class classroom education greenboard lesson pupils school student students teach wall alpha basic bear block blocks blue bow building child childhood children copy copyspace cuddly cute educate elementary fun green isolated kindergarten learning nursery playing preschool primary reading red rgb ribbon soft space teaching teddy toy wood wooden writing art boy cartoon clip art clipart graphic illustration kids pencil book books eyeglasses glasses library open page pages read spectacles