Architects from Allan Joyce Architects in Sneinton will be building popular Nottingham landmarks against the clock at this drop in event as part of Heritage Open Days.
Come and see if you can create the William Booth birthplace in a faster time. Or just come along on the day and build your own Lego model. A prize will be awarded for the fastest time.
As part of its 'Love Architecture' programme, the RIBA works with Heritage Open Days to engage the wider public with the stories of the nation’s buildings, past, present and future.