Cork Snake

Iiiopox, a Russian site, has a cute idea of how to make a snake out of wine corks, a ribbon and paint. 

Good for ages 6 and up.

Get the instructions here:
http://www.iiiopox.ru/archives/38

Red tri makes her version with thread and unpainted corks.

Get the instructions here:
http://redtri.com/build-a-little-korkenschlange-cork-snake/

Straw Rockets

Curious kangaroo has a really nifty idea for how to make a rocket out of a bendy straw and paper.  Basically kids decorate blank paper with drawing and wrap them around the straw which they then use to shoot the paper out. 

Good for ages 7 and up.

Get the instructions here:
http://curiouskangaroos.blogspot.com/2011/07/paper-rocket.html

A little learning for two has a different version.  She simply cuts out two identical patterns and tapes around the straw.

Get the instructions here:
http://alittlelearningfortwo.blogspot.com/2010/10/straw-rockets.html 

All for the boys has a version with fins.

Get the instructions here:
http://www.allfortheboys.com/home/2013/5/6/space-week-part-2-paper-straw-rocket.html 

Whimsy love has a super simple version.

Get the instructions here:
http://www.whimsy-love.com/2012/06/summer-diary-day-15-paper-rockets.html?m=1 

Inner child fun adds a fiery blast to hers.

Get the instructions here:
http://innerchildfun.com/2013/03/kid-craft-rocket-straws.html

Bubble Painting

Disney's family fun has instructions for how kids can make colored soap bubble prints using bubble solution, paint, and straws.  They'll have lots of fun blowing the bubbles up really high and get to keep the experience by pressing down a piece of paper on the bubbles.

Good for ages 5 and up.

Get the instructions here:
http://familyfun.go.com/crafts/soap-bubble-prints-667851/

Hello wonderful uses lots of colors and less bubbles.

Get the instructions here:
http://www.hellowonderful.co/post/diy-abstract-bubble-painting-with-kids

 
Fireflies and mudpies make prints by pressing paper onto the soap bubbles.

Get the instructions here:
http://www.firefliesandmudpies.com/2015/06/02/soap-foam-printing/

Playtime Invitations

The imagination tree has a wonderful idea of setting up play stations throughout the house to encourage kids to play with new objects. 

Good for ages 4 and up.

Get the instructions here:
http://www.theimaginationtree.com/2012/05/creating-invitations-to-play.html

Fabric Magnet Board

Lively lou designs sells fabric magnet boards on Etsy however as pointed out on pinterest you could make these yourself.  Just get a cookie sheet from the dollar store and cover with fabric.

Good for ages 10 and up.

Get the instructions here:
http://pinterest.com/pin/224968943856107245/

Marbled Painted Pots

It's gravy baby shows how to take a terracotta pot and drizzle paint upon it to give and swirl it with a paint brush it a nifty marbled look. 

Good for ages 3 and up.

Get the instructions here:
http://itsgravybaby.com/2012/06/marbled-pottery-painting-preschool-craft/

Scrapbook Paper Frames

Fave crafts has a cute idea for how to dress up a plain wood frame using scrapbook paper and glue.

Good for ages 6 and up.

Get the instructions here:
http://www.favecrafts.com/Frames/Easy-Decoupage-Frames