Marui, Rikkai's Genius

Have you ever wanted to own Doraemon's fourth-dimensional pocket? When the blue robotic cat appeared in front of him, Marui's first reaction was to grab the frying pan beside him and hit his unparalleled genius brain with it. If you had the chance to ask Doraemon for three gadgets, what would you choose? Theme: May you be safe and well, free from illness and disaster.