Features:
Students the best intelligence toys, can cultivate the habit of corretly.
Hands and brain, the development intelligence, the fun.
Can easy to quickly draw a complex pattern tens of thousands of fantasy.
Can free combination, more play to space.
Made of plastic material, durable and funny to draw.

Descriptions;
Choose any external gear, In the two inner circle You can draw different graphics
Right hand holding a ball-point pen insert pen perpendicular to the paper, in a certain direction, to draw a beautiful curve pattern pattern.
Note that the internal and external tooth should always rely on tight.
Need to change into another or more than two gears, gear were successively on the original painting, constitute a more complex patterns.
Use combination illustration, can draw ten million different decorative pattern curve pattern.
If use different color painting pen cap, decorative pattern looks more beautiful.

Note: The product has four color: pink, yellow, blue, green, but we do not offer color choice ,Your order will be sent in colors at random.

Specifications:
Material: plastic  
Color: random (We do not offer color choices. The product has four color: pink, yellow, blue, green, it will be sent in random.)
Product size: 220*98*4mm
Test Area range: 20cm, 8 inch
Quantity:1Pcs  
Converse : 1 inch = 2.54cm or 1cm = 0.393 inch

Package Included:
1 x Multifunctional Spirograph Geometric Ruler