Math Spinner

von FunFunBoy

Druckbare Dateien (5)

Beschreibung

My 4 old kids start to learn about math operation so I search something to make math more fun. Found "Math Spinner" from http://www.thingiverse.com/thing:452651 is very interesting.

So I made my own "Math Spinner" with angle step lock so It doesn't freely rotate.

Hope you enjoy my design.