Kirsty, if you want a checkbox..
1. Place the cursor at the point where you wish to insert a tick box.
2. Click 'Insert' button on the Standard Tools Bar
3. Select 'Symbol' in the down menu (symbol on the ribbon in office 2010)
4. Select '(normal text)' in the Font down arrow box and 'General Punctuation' in the Subset down arrow box.
5. Select square/rectangle symbol in the available symbols
6. Click 'Insert' button
If you want a tickbox........
To add the boxes that you will be able to check, you need to use the
Developer tab.
Show the Developer tab
Click the Microsoft Office Button , and then click Word Options.
Click Popular.
Select the Show Developer tab in the Ribbon check box.
Add the check boxes
Click the top left cell in the table that you inserted.
On the Developer tab, in the Controls group, click Legacy Tools.
Under Legacy Forms, click Check Box Form Field .
Note If the check box has a gray background, click Legacy Tools in the
Controls group, and then click Form Field Shading to remove the gray
shading.
Click the next cell where you want to insert a check box, and then press
CTRL+Y to insert another check box.
After you insert a check box for each item that you want, click the top
right cell and type the text for the first item. Repeat this step for each
item in the list