[Original. Wood] Two-color childlike _ self-propelled toy chicken yoyo (with inclined board)

Lovely chick yoyo swaying, Met a bevel, natural left and right swing and began to walk, What is the interesting scientific principle of funny appearance? Let chick yoyo with children to explore! Follow me go ~ Product specifications Material: beech / walnut Size: about * height 13 ~ 14cm Painting: Acrylic pigment / wood preservative Remarks The This product is solid wood products, no chemical dyeing and add. The Natural wood grain and color, according to the actual goods shall prevail. The Wood is a natural material, due to contact with the temperature and humidity in the air, so that the color will naturally become a natural phenomenon. Origin / manufacturing method Taiwan / handmade