Puzzler Try this with your family at home if you like.


The Rubik’s Cube is a very famous 3-D puzzle invented by the Hungarian designer Ernõ Rubik in 1974. It is the world’s top-selling puzzle game. To solve the puzzle you must rotate the pieces of the cube so that each face ends up being one solid colour.


Visit this web page and see if you can solve the virtual Rubik’s Cube: www.randelshofer.ch/rubik/virtual_cubes/pocket/instructions/2x_instructions.html


Alternatively, see if you can get your hands on a real Rubik’s Cube and have a go!


By the way, it’s not too easy – I bet your teacher will struggle too!


You can fi nd more information on the Rubik’s Cube at www.rubiks.com.


Optical Illusion How many cubes can you count in this optical illusion?!


Giggler


Q: Where are 3-D shapes sent when they break the law? A: Prism!


Nets A net is a fl at pattern that you can cut and fold to make a model of a solid 3-D shape.


If you were to dismantle and fl atten a cereal box (which is a cuboid), you would be left with a net of the cuboid shape, like this:


202 3-D Shapes


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