Londji Math Learning Game Home, Sweet Home! Create a beautiful city with this fun and challenging card game! Each player draws a card and places it on a building or swaps it with another player. If your card shows a roof, count all the windows of a building and find the one whose number matches the number in the top right corner of the roof card. Calculate the best place to build each floor and score points by completing a house with a roof. A fun and challenging game that uses (and improves) your math skills. Build the most buildings and win. A fun game for the whole family! Ages 7+. Players: 2-5. Playing time: 15 min. Material: Recycled cardboard and FSC-certified paper. Packaging dimensions: 11 x 16 x 5 cm. Illustration: Canseixanta. Made in Barcelona. Warning: Not suitable for children under 3 years. Choking hazard.