"Rafael tries to save his toys from his baby sister, Essie, by building a wall from shoeboxes, toilet paper rolls, and other household objects in this playful exploration of 3-D geometry and spatial reasoning"--
"Five-year-old Beto wants to have a tea party with his seven-year old sister, Cora, but she wants to play pirates. Beto creates a map that hopefully will lead her to his treasure of berries"