41 x 40 in. / 104 x 102 cm. 8 ~ 18 mph Ripstop Polyester Fiberglass Includes 300 ft. 90 lb. Test Line & Winder Our Biplane & Triplane Kites are easy to assemble, look beautiful and fly great! That's all you need to know. Based on real aircraft with authentic markings, these kites include spinning props and can be put together by children or adults in under 3 minutes.