How to Make a Harmonica

Mess for less has a super simple homemade harmonica using a popsicle stick, rubber bands and construction paper.

Good for ages 4 and up.

Get the instructions here:
http://www.messforless.net/2012/02/making-music-homemade-harmonica.html

Housing a forest has a similar tutorial but uses just the sticks and rubber bands.  She uses colored sticks but markers would be fun too.

Get the instructions here:
http://www.housingaforest.com/popsicle-stick-harmonica/

How to Make Water Color Paint

Martha Stewart shares how you can make your own rainbow of watercolors. She even has a fantastic storage suggestion to use egg cartons.

Good for ages 6 and up.

Get the instructions here:
http://www.marthastewart.com/265249/how-to-make-watercolor-paint

Growing a jeweled rose uses baking soda, food coloring, water and an ice cube tray.

Get the instructions here:
http://www.growingajeweledrose.com/2014/05/easy-homemade-watercolors.html

Learn play imagine makes very vibrant colors.

Get the instructions here:
http://www.learnplayimagine.com/2014/08/erupting-baking-soda-paint-recipe.html

DIY Colorful Slime

Teach preschool has a very simple recipe for making what she calls rainbow slime using only Elmer's glue, liquid starch and food coloring.

Good for ages 3 and up.

Get the instructions here:
http://www.teachpreschool.org/2012/03/rainbow-slime-in-preschool/

Learn play imagine has a similar tutorial with the same ingredients.

Get the instructions here:
http://www.learnplayimagine.com/2014/02/rainbow-slime-recipe.html 

Fun at home with kids makes a polka dot version.

Get the instructions here:
http://www.funathomewithkids.com/2014/06/polka-dot-slime.html 

Growing a jeweled rose uses kool-aid.

Get the instructions here:
http://www.growingajeweledrose.com/2014/02/edible-slime-recipe-kool-aid-slime.html

Left brain craft brain uses thermochromic pigments to make it change color with temperature.

Get the instructions here:
http://leftbraincraftbrain.com/2015/04/23/heat-sensitive-color-changing-slime/

Candy Acid Experiment

Candyexperiments.com shows how to test the acidity of any fruit flavored or sour candy using just warm water and baking soda. They even have videos for lemon heads, nerds, piie sticks and war heads.

Good for ages 5 and up.

Get the instructions here:
http://www.candyexperiments.com/2009/09/acid-test.html

How to Make a Star Wars Pinata

Starwars.com has a tutorial on how to make a Death Star pinata. It looks a lot more difficult to make than it actually is. The trick is to use masking tape to control for the solid lines. 

Good for ages 11 and up.

Get the instructions here:
http://www.starwars.com/play/online-activities/cooking/deathstarpinata/

Paper Leaf Print Bouquet

No time for flash cards shows how to make a leaf bouquet by rubbing crayons onto leafs covered with regular copy paper, which in turn transfers their seams onto the paper. They even have an idea for a vase - a paper towel roll.

Good for ages 5 and up.

Get the instructions here:
http://www.notimeforflashcards.com/2010/10/leaf-rubbing-tree.html

Music Shakers

Art is basic provides instructions for how to make a rattle using a paper plate, beans, paper mache, paper, feathers, paint and other materials to decorate.  A great paper mache idea for kids.

Good for ages 5 and up.

Get the instructions here:
http://vividlayers.blogspot.com/2011/12/paper-mache-rattles-kindergarten.html

The educators spin on it wraps plastic lid containers with colorful wrapping paper and fills them with an assortment of different beans, rice and seeds to make different sound effects.

Get the instructions here:
 http://www.theeducatorsspinonit.com/2012/01/baby-time-lets-make-music.html