Simplify the following text for a Grade 8 native English-speaking person.
Original: Modern kites use synthetic materials , such as ripstop nylon or more exotic fabrics for the sails , fibreglass or carbon fiber for the spars and dacron or dyneema for the kite lines .
Simplified: Modern kites are made from synthetic materials , such as ripstop nylon or more exotic fabrics on the sails . They have fiberglass or carbon fiber poles , and use dacron or dyneema for the kite lines .