The puzzle is to build a tetrahedron with the six pieces and sit it inside the wooden base. Four of the pieces are rows of 3 balls and two of the pieces are rows of 4 balls.
Tetrahedron: A four sided solid; in this case a triangular based pyramid.
Size: The sides of the triangular base are 90mm long. The pyramid stands 70mm tall when assembled. The puzzle is made from wood and is presented in a drawstring cloth bag with a solution inside.