TickiT® products are designed and developed in the UK in conjunction with educationalists, providing open learning resources for pre-school and primary age children. Our products are available from all good educational suppliers worldwide. Please visit our Where to Buy page or complete the Contact Us form if you would like to know more.

The set contains ten 25mm-thick optical acrylic prisms:

- Equilateral triangle 75 mm sides

- Equilateral triangle 57 mm sides

- Isosceles 90º - 71 mm hypotenuse

- Scalene 90º 78 mm hypotenuse

- Rectangle 75 mm x 50 mm

- Semicircular 75 mm

- Biconvex 75 mm

- Biconcave 75 mm

- Plano - convex 75 mm

- Plano - concave 75 mm

 

Size of prism: approx 75mm. Pk10.

 

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