This comprehensive set includes the Octagon and Decagon shapes and is colour coded for easy use

• A full set of teacher's notes are included with many exercises and extension ideas.
• 121 piece set contains 10 different shapes and a guide.
• Colour coded red are 9 equilateral triangles, 10 right angle triangles, 26 isosceles triangles and 8 Root 2 triangles.
• Colour coded blue are 14 squares and 44 rectangles.
• Colour coded yellow are 3 pentagons, 3 hexagons, 2 octagons and 2 decagons.
• Pieces are lightweight and easy to connect.
• See inside of the shape, and explore the space within.
• Fully compatible with the Original Polydron range.

There is also a Pyramids Video available to view.