Rainbow Bubble Snakes - Need: Half a waterbottle, rubberband, bubbles (dishsoap/water), food coloring, sock. Steps: Dip sock held by a rubber band on the water bottle in food coloring in dish soap and food coloring and blow. Have fun!
DIY Ways To Make Traveling Suck Less 30 Simple and Easy DIY Travel Kits for Kids. Great for vacations - road trips, plane trips, etc - but also great for entertaining kids in waiting rooms and restaurants. From Fun at Home with Kids