Cave - using pool noodles and duct tape for the frame, and LOTS of scotch tape and brown wrapping paper for the cover;) fasten the paper and the frame to the wall using thumbtacks -duct tape tabs for the tacks to pass through.
Having trouble thinking of new fillers for your sensory table? Here are a few winter sensory table ideas that your kids will LOVE. These sensory bin fillers will be perfect for your winter, snow, and snowman themed units in preschool, pre-k and kindergart
Arctic play, sorry not sure who to thank for this idea. Fill the big tray with blue tinted water, sit a bowl or tub in the middle, weighted down if need be. Place outside or in freezer (whichever is colder). Add your animals and water in the middle, add some ice cubes to float about in the middle.