Save Da Vinci - Ball Timer DIY Assembly Model to your collection

https://youtu.be/OV5XLZXteVQ https://cdn1-next.cybassets.com/s/files/5993/ckeditor/pictures/content_b3c5152b-8ea4-4d5f-a224-c06911b0b2b0.jpg https://cdn1-next.cybassets.com/s/files/5993/ckeditor/pictures/content_f1f80711-29eb-4f15-ac86-e42469863b86.jpg ▲Reproduce the genius design of Leonardo da Vinci, a model that even novices can easily complete! https://cdn1-next.cybassets.com/s/files/5993/ckeditor/pictures/content_c251b421-5c26-4d52-8ccc-c30881721871.jpg https://cdn1-next.cybassets.com/s/files/5993/ckeditor/pictures/content_255ced0d-2ec2-4324-acc0-85f5795168f7.jpg https://cdn1-next.cybassets.com/s/files/5993/ckeditor/pictures/content_808ec3e1-19eb-41c4-84ff-9b48364eece1.jpg ▲The ball timer uses precision gears to enable the rolling ball to drive the platform in seesaw mode. Use the principles of gravity and dynamics to measure the passage of time! https://cdn1-next.cybassets.com/s/files/5993/ckeditor/pictures/content_1c00384f-909e-4c49-b931-af94457846ae.jpg ▲Congreve rolling ball timepiece https://cdn1-next.cybassets.com/s/files/5993/ckeditor/pictures/content_d3ea99a4-c70d-40c4-8b60-9cc0f1e5afcf.jpg ▲The assembly process does not require glue, paint or batteries. It only requires careful eyes to ensure that the various gears and parts are installed correctly. position so that the gear can drive the timer. https://cdn1-next.cybassets.com/s/files/5993/ckeditor/pictures/content_77936626-ec6a-4aa7-81c0-5ea7bc71195e.jpg Product specifications: ► Product dimensions: 10.6 x 7.9 x 2.4 inches ► Packing size: 20 x 30 x 5.75 cm ► Material: plastic ► Origin: Philippines Precautions : ► It can be assembled without batteries, coloring or glue. ► Please be careful of children swallowing small parts ► This product is suitable for use by people over 14 years old ► Please note that the appreciation period is not equal to trial, and if it is assembled, it will affect your return rights. Please keep the packaging intact when returning or exchanging. If there is any damage, it will not be possible to return or exchange the product. ► If you want to return or exchange books, merchandise, gifts, etc. that are covered with adhesive film, returns will not be accepted if the adhesive film has been opened. ※ When assembling, be sure to confirm that each part is assembled correctly and tightly to ensure that the model operates correctly after assembly.