Balloon Rockets - I've done this in several science camps I've conducted. Kids have fun with it. But, when the balloon deflates it may fall off the straw because it's surface area changes - another good thing to show and explain to kids.
30 Christmas Coloring Pages for Your Kids or Class -- Fight Holiday break boredom with these printable coloring pages. You'll find everything from Olaf and those cute little dalmatians, to a traditional wreath and Christmas tree.
Free Christmas Colouring Pages for Adults – The Ultimate Roundup