Ahhh this is the reason why he just love LOVE children. So obedient and trusting. Well most of them anyway.
His hand closed around Kurumi's and then smiled at Penny as she followed suit. Dark eyes shifted at the young Gryffindor as she spoke up "Oh no, the Department of Mysteries is actually quite comfortable. Good lighting, good climate control. I would require no less for my Unspeakables." So what were the beanies for?
He held his wand aloft and with a wave, the beanies on their heads suddenly slips down over the children's eyes, clasping snugly around half their faces with only enough room over their noses and mouths for breathing. "Come along now!" he said as he pulled on Kurumi's hand, quickly leading this trail of blinded children out of the Visitors area and down the maze of corridors. "Keep up, dont let go of each other now, wouldnt want any of you getting lost." Although really it would be a good excuse to be able to keep one or all of them.
After a few hurried twists and turns through various corridors Ren walks the group down the right path where a blanked archway suddenly shifts to reveal a set of double doors. Children still in tow he approaches the doors without breaking pace. Doors swing open automatically at his approach, and the group disappears through the archway and into the
Department of Mysteries.
(ooc: Tour continues from there)