### Construct-o-straws

Make a cube out of straws and have a go at this practical challenge.

### Matchsticks

Reasoning about the number of matches needed to build squares that share their sides.

### Little Boxes

How many different cuboids can you make when you use four CDs or DVDs? How about using five, then six?

# Right or Left?

##### Age 7 to 11Challenge Level

You may know that opposite faces of a dice add up to $7$, but did you know that there are two different types of dice?
Here are two dice, a right-handed one and a left-handed one:

Decide whether the dice below are right-handed or left-handed:

Now try these - they are more difficult.

This problem is taken from the book "Mathematical Activities from Poland" published by ATM.