22/4Pcs Spirograph Ruler Drawing Scratch Painting Toys Interlocking Gears Wheels Painting Drawing Accessories Educational Toy

Several painting techniques

1/Single hole drawing method: using a hole with different drawing methods to achieve different effects

Draw to the end: Repeat until the end (always click on the link)

Tooth shifting method: After drawing a certain number of turns, shift one tooth and continue painting

2/Porous combination drawing method

Combination method of holes on the same gear

Different combinations of gear holes and holes; Replaceable external gear

Draw on the original image one after another to create more dazzling patterns.

Note: When changing gears, do not move the internal gear

Size:As picture show

Packing: 1 set x ruler

Notice:

1.Due to the difference showing indifferent monitors, the picture may not reflect the actual color of the product.

2.Please allow 1-2CM error due to the manual measurement. Hope you can understand. Thank you!