What's on Events Harvest Fun The Cornish version of Halloween was Allantide which included the giving of allan apples as tokens of good luck. This October half term, enjoy a range of exciting harvest activities such as apple printing, corn dolly making, clay play and bug house painting at Wheal Martyn! Time: 11am-3pm. Museum admission still applies. Price: £1 to £4 Find us in the Learning Space!