Math Cubes Construction Set is a muliltifunctional open-ended educational toy that can be used for all levels of learning throught play. Comes with an activity booklet with 26 exciting models for children to build and develop their problem solving and creative design skills throught their own creations. Set includes 180 x 2cm cubes in 10 colours, 6 x equilateral triangles , 6 x right triangles, 8 x quadrants and an activity booklet. 200pcs, 1 activity book