Christmas Mystery Box Back to the calendar Christmas Mystery Box Back to Resources The precious map of Santa's journey is safely locked away. Say the magic word and the box will open! Unfortunately, Santa has memory problems! But don't worry the clever elves [...]
Christmas Pictoku Back to Resources Complete the grid by dragging the correct picture. No picture may appear twice in any row or column. Use the 'Check' button to verify your answers. Use the blue arrows to try different puzzles. Download a paper version instructions at the bottom of the page. [...]
Flower watering programme Back to calendar Flower watering programme Back to Resources A lazy but clever elf wants to program his robot to take a nap while the robot waters his plants. Help him by correctly ordering the different commands. Use the ‘Check’ [...]
Christmas Survey Back to calendar Christmas Survey Back to Resources Before Christmas, an elf was sent out to carefully survey the streets of a small town. He marked his route by drawing the houses he came across. Unfortunately, they got mixed up. [...]
Snow Problem Back to the calendar Snow Problem Back to Resources Which event is most likely to happen? An idea from the book Think Twice by Alex Bellos Use the 'Check' button to verify your answer. [...]
Sense of Numbers Back to calendar Sense of Numbers Back to Resources Everyone is able to feel approximate quantities and to make simple calculations of these quantities. It doesn't matter what culture or age you're from, whether you know the names of the [...]
Lost in the Forest Back to calendar Lost in the Forest Back to Resources Santa got lost in the forest! Help him find his way back to his workshop. Think of the path he must take to cross the forest to the red [...]
Christmas Baubles Back to calendar Christmas Baubles Back to Resources Mirror the design on the left onto the empty side of the grid to make a bauble appear. The black line is called the axis of symmetry. If you fold the paper along [...]
Santa's Signs Back to calendar Santa's Signs Back to Resources The elves at the North Pole have set up some signs to help them find their way. They want to paint them, but have some odd requests: to use only two colours exactly [...]
Free the Cookies Back to the calendar Free the cookies Back to Resources Delicious cookies have been locked in a safe. Unfortunately, the 4-digit combination has been forgotten. Solve the riddle and free the cookies! Click on the image to see a larger [...]
