There are cubes all around us. What do you know? 1. Tap the add button. 2. Tap the photo tool and take a photo of a cube. 3. Tap the label tool and write the names of the 3D shape. 4. Tap the microphone to record your voice telling about the cube. How many faces? How many edges? How many vertices? 6. Tap the green check to add to your journal.