A tetrahedron is a shape made of four triangles. Take on our tetrahedron challenge! Can you turn a loop of 12 straws in to a tetrahedron just by twisting?
Tetrahedron Challenge
The family maths charity
The family maths charity
A tetrahedron is a shape made of four triangles. Take on our tetrahedron challenge! Can you turn a loop of 12 straws in to a tetrahedron just by twisting?