Larsen Maxi Learning add up 0 to 20 jigsaw puzzle You'll Larsenlearn all kinds of skills while you're puzzling. Try to put together the right sums and answers. This is how you solve this puzzle by thinking very cleverly. The pieces are placed on a puzzle plate, so you can easily move or frame your creation. Specifications: Color: multicolor Gender: junior Material: carton Carton thickness: 4.4 mm Dimensions: 36.5 x 28.5 cm (L x W) Number of pieces: 40 Age: from 5 years old