I am writing a workbook that contains a materials list in front of some craft activities.

I found that simply displaying a bulleted list can take up lots of space on the page, so instead put the list in three columns. The problem is, if there is an item with a somewhat long description, it can be split across columns. See the example below:

\starttext
    \startcolumns[n=3]%
        \startitemize[1]%
             \item pizza cutter
             \item a word processor (or notebook paper)
         \stopitemize%
     \stopcolumns%
\stoptext

In the example, it split the second item across the columns.

How can I create columns that don't allow the item to split across them?