Think you have what it takes to escape Grandma’s cabin and figure out her mystery? Come out to the Duck Blind multifamily cabin and see if you have what it takes. You must register your team of 8 for various time slots as posted when you register. The cost is $25 per team. The Entrance fee waived for vehicles of teams coming in for their time. Sign-up for times on either Friday, April 19th or Saturday, April 20th. Register for all Sioux County Conservation Board’s programs at SiouxCountyParks.org.