Over 200 parts, timbered roof framework,
Including cement bowl, trowel, water- soluble cement and detailed instructions.
Practice makes perfect! Small architects build their first house with a wooden truss alone, thanks to the detailed instructions.
If you dive a building under water, the stones dissolve from each other again, and they just need to dry then you can use them again. Only the cement must be mixed again.
Recommended age: 6 years and up