The sets vary in size and contain up to 300 pieces of precisely cut wooden beams measuring 9 x 9 mm, tiles, roofs, and bases made from plywood, doors and windows, as well as a transparent sheet representing glass. Paper can be applied to roofing areas.

The set also includes sandpaper for use in small adjustments. The individual parts are glued with wood and paper glue according to step-by-step diagram instructions, that is, pictograms, with symbols for separate work actions. This simple system also allowed for the easy release of instructions in eight languages.

• Difficulty level: easy
• Wood glue included