A new invention has the potential to revolutionize the life of humanity - but it could not be completed yet. According to recent media reports, a brilliant inventor recently passed away, who was close to complete a new invention in his workshop. Rumor has it, it is a replicator - a matter duplicator - which could solve many problems of mankind. However, the old house of the inventor is about to be teared down to give place for a huge shopping center. The demolition deadline is today... You are a group of 2-6 people and want to finish the invention and find possible building plans. But time is short - you only have 60 minutes before the house of the deceased inventor is demolished and his achievements will be lost!