The danger of living with a mathematician is that sometimes your grade 1 writing practice is like this :
Full text : “This is an icosahedron. My dad made it. There are twelve corners. It is blue and black. There is one shape. It is big. It looks like a hexagon. The icosahedron has three dimensions. This is a cage.”
By the way, the icosahedron is made out of Klikko.