Three-Dimensional Constructions

Frameworks

Made from the same tough plastic as polydron and completely compatible with it, these units allow the construction of open sided polyhedra and also they can replace some solid faces of a Polydron polyhedron to allow access to the interior.

Equilateral Triangles (160) £15.00 (+ VAT) Squares (80) £19.00 (+ VAT) Pentagons (40) £15.00 (+ VAT) Hexagons (30) £14.00 (+ VAT)

Other shapes of Framework and Polydron pieces, such as isosceles triangles, right triangles and rectangles can be supplied in a few days.

Exploring Frameworks Bob Ansell An A 5 booklet with 24 pages offering suggestions about using frameworks in the classroom at a level appropriate to the children present. £0.50

Mathematics with Polydron This book is a collection of teacher's notes and reproducible worksheets suggesting many different investigations into three-dimensional space using polydron materials. The later suggestions reach quite an advanced and demanding level.
£19.90

Platonic Solids Pack

Polydron
Sufficient polydron triangles, squares, and pentagons to build a complete set of the platonics solids, namely the tetrahedron, octahedron, cube, dodecahedron and icosahedron.
Price per pack £18.50 (+ VAT)

Polydron

Well established in most schools over the last 10 years, this tough material can be used to construct an enormous variety of shapes. Whether used for constructive play or for investigation and geometrical exploration, this material has a place in every mathematics classroom.

Polydron Equilateral Triangles (100) £19.00 (+ VAT) Polydron Isosceles Triangles (60) £19.00 (+ VAT)

Polydron Right Angle Triangles (80) £19.00 (+ VAT)

Polydron Squares (40) £19.00 (+ VAT)

Polydron Pentagons (24) £19.00 (+ VAT)

Polydron Hexagons (20) £19.00 (+

Learning Space with 3D Geoshapes

Aimed at very young children, this book suggests a whole range of different spatial activities making use of the Geoshapes materials and giving valuable experiences in three-dimensional understanding.

Geodesic Domes

Demonstrated and explained with cut-out models
0 906212 92 8 Borin Van Loon
Each of the models in this book is both beautiful and interesting to make and plays its part as a hands-on introduction to the study of geodesic domes. It was the American architect Buckminster Fuller who pioneered this type of building and who also helped to establish a sound basis for designing them. With the aid of its models, this book explains the underlying theory and shows how a sphere can be divided and subdivided symmetrically to create dramatic buildings which are light and strong and also have no need of internal support.
£4.95

The Hoberman Sphere This wonderful mathematical structure is not strictly a sphere but is a skeletal icosidodecahedron. Its pentagon and triangle faces are linked by clever scissor-type linkages so that it can expand to thirty times its volume and to a diameter of 670mm while still maintaining its original shape. It will rest fully open on either type of face but a little push will cause it to contract inwards or implode in a most dramatic fashion. A very interesting visual curiosity for any mathematics department to have available £17.95 (+ VAT)

VAT)

£8.35