Have your kids surpassed the days of being satisfied by plastic squirters and rubber duckies? Kick up tub time a notch with these nine fun crafts and projects. From a rainbow full of bubbles to turning bath time into a full-on disco party, check out some of our favorite ways to make scrub-a-dub-dubbing an adventure!
Source: Thinkstock 
ABC Pop-Up Sponges
For a tub-time project that requires minimal effort for awesome results, check out Martha Stewart 's tutorial for pop-up alphabet sponges .
Source: Martha Stewart Living 
Shaving Cream Paint
Fun to make, fun to play with, and easy to clean up, shaving cream paint  lets your pint-sized Picassos create their masterworks in the comfort of the bathtub. A muffin tin makes the perfect palette.
Source: Flickr user Sean Nash 
Not so much a craft as an easy trip to the dollar store, tossing a bunch of glow sticks or necklaces into the tub will literally light up bath time!
Source: Dirt and Boogers 
Take a trip under the sea with A Night Owl Blog's shark mittens  — they'll make the most fun puppet washcloths for your kiddos. If you don't have blue mittens, don't worry! Sharks can come in all colors and patterns.
Source: A Night Owl Blog 
Puffy Bathtub Paint
It takes just three ingredients (and a little bit of elbow grease with your cheese grater) to make this puffy bathtub paint . Check out the full tutorial over at Chalk in My Pocket.
Source: Chalk in My Pocket 
Rainbow Bubble Bath
What kid wouldn't love the surprise of running in for bath time to discover a rainbow in their tub ?! Up the ante by following Growing a Jeweled Rose's idea of adding a "pot of gold" to the bottom of the tub, too.
Source: Growing a Jeweled Rose 
Ivory Soap Bath Crayons
Go ahead, let them scribble all over the tub and tile. These ivory soap bath crayons  are easy and fun to make (and perhaps more importantly, to clean up!)
Source: Kiboomu Kids Crafts 
DIY Bubble Bath
Skip the bath aisle on your next trip to Target or the drugstore, and instead make your own bubble bath  with ingredients you're almost guaranteed to have on hand at home.
Bath-Time Baby Doll
For little babes, transform a few washcloths into a DIY  octopus toy  for tub time!
Source: Spoonful