The platonic solid built with pentagons is a Dodecahedron (12 faces). To make its dual with the Platonic Solids kit, follow these instructions in this series linked here. 

If you imagine the structure as of its faces and unfold it, you get its net. 

As part of the Platonic Solids series, this model has clearly defined colors outlining the solid itself, scaffolding in black, and its dual in white.