Tabbalabba festival at Gulliver#s Kingdom, Matlock Bath. Derbyshire Open Arts features more than 200 artists in 132 venues from May 24 to 26. Go to www.derbyshireopenarts.co.uk Swords will clash as knights battle it out at Bolsover Castle from May 25 to 27. Budding warriors can get a taste of combat in the kids' battle. Visit Gulliver's Kingdom, Matlock Bath, for the Tabbalabba family festival. There's a big bubble show, a sock puppet parade and a cake-off. The fun runs until June 2. Learn how to build a dry stone wall at Chatsworth from Saturday to Monday, May 25 to 27, guided by Sally Hodgson. Wirksworth will be a hub of entertainment during the well dressings and carnival from May 25 to 27. Attractions include a vintage market, wheelbarrow race and belly dancing. Bamford Sheepdog Trials celebrates its 75th anniversary on bank holiday Monday. Families can watch dogs and their handlers at work. Harness those high spirits at Go Ape Buxton where there are zip wires and freefall swings. Buxton's Pavilion Gardens will host more than 65 traders selling crafts, jewellery, fashion and more from May 25 to 27. Punch & Judy shows and circus skills will entertain kids. Watch members of nearly 30 churches parade through Chesterfield with tableaux and banners on the Procession of Witness on the morning of bank holiday Monday. Telling Tales Trail at Derby Museum and Art Gallery from May 25 to June 9 gives families the chance to solve clues to find books which have been hidden. The event is part of Derby Book Festival. A LEGO-themed week featuring models, graffiti wall, themed trail and colouring competition will be held at the Midland Railway Centre, Butterley, Ripley, from May 25 to June 1.