Mr. Say Science Factory Collection Da Vinci - Flight Machine

https://5993.cyberbiz.tw/s/files/5993/ckeditor/pictures/content_ff924ecb-e8fa-45b7-83d6-21cf674d4c5e.jpg https://www.youtube.com/watch?v=C8fzjyvtWeU ▲ Reproduce the genius design of Leonardo da Vinci, and the model that the novice can easily complete! Da Vinci may be the first European to be interested in solving flight problems, including designing a large number of mechanical devices such as parachutes and studying the flight dynamics of birds; About 1485 he proposed a human flight machine, which uses a mechanical model to imitate the movement and structure of the bird. Like a bird, it uses flapping wings to advance. Such human-flying mechanical devices based on birds or bats are also being retrospectively revisited for the next four centuries. https://5993.cyberbiz.tw/s/files/5993/ckeditor/pictures/content_2da261be-8bb2-492b-9f6c-24c3b87b715b.jpg https://5993.cyberbiz.tw/s/files/5993/ckeditor/pictures/content_39b957e7-b018-4c2b-b621-d4c659e9d949.jpg https://5993.cyberbiz.tw/s/files/5993/ckeditor/pictures/content_7b2198f1-e9f0-4e4a-9d4a-f12cd334fc53.jpg ▲ Turn the clockwork and the wing will really swing like a big bird. https://5993.cyberbiz.tw/s/files/5993/ckeditor/pictures/content_39566596-fa67-48a7-a009-83141fe4a41a.jpg https://5993.cyberbiz.tw/s/files/5993/ckeditor/pictures/content_f1e5318f-220d-4f11-9865-fef40ce249f4.jpg Product specification: ► Product size: 25.8 x 15.2 x 12.5 cm ► Package size: 20 x 30 x 5.75 cm ► Material: Plastic ► Origin: Philippines Precautions: ► The battery-free, color-free and glue-free assembly can be completed. ► Please take care of children swallowing small parts ► This product is suitable for use over 14 years old ► Please note that the appreciation period is not equal to the trial period. If there is an assembly, it will affect your return rights. Please keep the package intact when you return the replacement. If it is damaged, it will be difficult to return. ► Books, merchandise, gifts, etc. that are covered with plastic film are subject to the return policy. If the film has been unsealed, no returns will be accepted. ※ Be sure to confirm that each part is assembled correctly and closely during assembly to ensure proper operation of the model after assembly.