That makes as much sense as anything, Regan thinks, and she makes a thoughtful face before agreeing with Rosie's assessment. She grabs a screw and the small screwdriver, then tries to get the two pieces screwed together. It takes some doing, but eventually, it fits together.

Now they're onto the next step, which makes about as much sense as the first. Regan huffs a laugh.

"This is crazy. Why are the instructions so hard to follow?"