Four Corners  Interlocking puzzle by Stewart Coffin STC 6
Free     Printables     Printable Puzzle Project

Four Corners - Interlocking puzzle by Stewart Coffin (STC #6)

Assemble the six pieces into an interesting polyhedral shape with color symmetry as shown in the cover photo ...

similar models —

Four Corners - Interlocking puzzle by Stewart Coffin (STC #6) alternatives