To provide an ornamental toy windmill worked into a modified cross-flow type using the shape and characteristics of a beverage aluminum can, responding to all directions of wind, reinforcing waterproof property and the strength of the wind mill and suppressing the friction as much as possible.

This toy wind mill is formed by using the outer circumference of a beverage aluminum can body and equally cutting it into eight with leaving a column and part of blades, and is worked into the modified cross-flow type by slightly turning outward the blade part. The features of the aluminum can whole body are used to improve the response of the windmill body to all the wind directions, drainage, the waterproof property, detachment/attachment, oiling, the friction and strength of materials.