Thu 23 April 2026, 10.00–11.30 BST
Thu 14 May 2026, 12.00–13.00 BST
Sat 6 June 2026 – Sun 7 June 2026, 12.00–18.00 BST
Mon 29 June 2026 – Tue 30 June 2026, 9.00–17.00 BST