Multifunctional Geometric Ruler Student Mathematics Drawing Tools School Office - Blue-Senior High School Goggles 20 Balls to a 3

20 Balls to a 3 metre length wire with a 3 x AA battery Pack

The 50 L base stabilizes with water/sand

scratch-proof surface that's resistant to rust

perfect for those who love unique and creative items

Input: 1 x USB A-2

Multifunctional Geometric Ruler Student Mathematics Drawing Tools School Office - Blue-Senior High School Goggles 20 Balls to a 31. Whether you are an artist, student, pattern maker or designer, this ruler is a good helper for your work or study; it can help develop your own manual skills and imagination. 2. Various shapes can be drawn, the scale is clear, and the sliding is convenient, the drawing is stable, it is not easy to be skewed, and it is easy to observe. 3. Multi function measuring scale can draw the required graphics, Such as Protractor scale, Y spool, Function