You’ve made the rounds to ensure your children are fast asleep. It’s Christmas Eve and you grab a hammer, a flashlight, and a cup of steaming coffee, then head to the backyard to finish playing the role of Santa. He’s bringing your kids a swing set complete with a twisting yellow slide, three swings, and a ladder that leads to the tallest tower, the highest mountain, the secret lair, or whatever else exists within your child’s imagination. Tonight, you have the joy of quietly building what i...