Spend the two weekends of Science Week (March 11, 12, 18 and 19) exploring Brunel’s first project, the Rotherhithe Thames tunnel (pictured), as part of the launch of the new children’s biography from Short Books (Isambard Kingdom Brunel, the Iron Man by Amanda Mitchison pound;4.99). Visitors will be able to see the floodlit tunnels (including the remains of the original banqueting hall and shopping arcade), explore the original sinking shaft and see Brunel’s geological map, 200 years after the great man’s birth. pound;10 family tickets (two adults and three children; pound;5 for individuals) include the tube journey from Rotherhithe underground station, where the guided tour starts, and a Victorian peep-show workshop at the Brunel Engine House museum. More details and online booking plus details of the museum’s education service at: www.brunelenginehouse.org.uk.