Drag 19 of the 20 numbers from the pile and drop them onto the shelves.
There is a connection between these numbers to help you sort them into 4 groups of 6.
Use the numbers already on the shelves to help you.
You can rearrange the order of the pictures at any time.
*Take care however,!!! when you drag the last picture into the grid it becomes FROZEN.
To restart the activity just refresh the page.