Designed to be used with other Original Polydron sets.
- Includes 80 right angle triangles.
- Combine with other original Polydron sets to construct a wider range of 2D and 3D shapes.
- Supplied in 4 colours.
- Short sides measure 7.3cm (2.88 in).
- Each set contains up to 5 framework pieces for ease of assembly.
- Age 4 years +