ACTIVITIES to keep the whole family amused on Easter Sunday GIANT Easter egg trail (also on Monday) - The Farmland Museum and Denny Abbey, 10.30am-5pm. 01223 860988. NATIONAL Trust Easter egg trail - Houghton Mill, 11am-4.30pm. Children can solve the clues and win a chocolate egg. £1.50 entry. SANTA Pod Easter Thunderball (also on Monday) - Santa Pod Raceway, near Wellingborough. Attractions include car and motorbike racing, stunt shows and entertainment. Under 16s admitted free. Advance tickets start from £10 or tickets on the gate from £29. Free parking, free camping and free pit walkabouts. www.santapod.com or 01234 782828. CHOCOLATE nest making sessions, egg hunt and badge making (also on Monday) - WWT Welney Wetland Centre, from 2pm. www.wwt.org.uk/Welney or www.wwt.org.uk/spring ROD and Martin - Axe and Compass, Hemingford Abbots, 7pm.