Can You Complete the Sudoku Puzzle?

This Sudoku game for kids is easy and only has 4 numbers. 

• You need to fill in the numbers 1 to 4.
• The numbers must be different in each column and row. 
• For example you can’t have the number 2 on the same line horizontally or vertically.
• You would need to have 1, 2, 3 and 4 all on every line.

Let us know if you complete it! Maybe try timing yourself.