The Grid Kit - House Kit. Harvard Alumni Created Kits. Make a House. 100% Cardboard. Have you ever made a house? Pop out the pieces. Fold it. Glue it. Done! Pre-cut and really fun to make. Perfect for boys, girls, teens, and adults. Step by step photo instructions. Paint your house or keep it natural. Finished size: 13" x 7" x 5". Materials needed: Glue gun, glue sticks.