I want a duck pond! Comments show people are cleaning them out daily or every other day. A guy in Maui said have 2 ponds, they'll poop in one and swim in the other. He had a whole system of ponds, one even for a tiny water plant that filtered the water which was recirculated to the other ponds. Cool!
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DIY Chicken Coop ... it's completely made from pallets and recycled wood. This could be tweeked a little. Just double the walls two pallets instead of one. Make the entrance bigger and it would be a great kid koop :)