How to Build a Worm Habitat

Spell outloud has a fascinating project for how to watch and observer worms using a 2 liter plastic bottle, worms and dirt. It seems kind of gross but it's really almost meditative watching them wiggle their way through.

Good for ages 3 and up.

Get the instructions here:
http://www.spelloutloud.com/2012/04/observing-worms-with-preschoolers/

Water Balloon Painting

Mirth market fills water balloons with paint, attaches to a board and shoots darts at them for a really neat effect.  You could also throw the balloons at the board for more of a firework look.

Good for ages 10 and up.

Get the instructions here:
http://mirthmarket.blogspot.com/2012/06/water-balloon-dart-painting.html?m=1

Growing a jeweled rose has the hid throw the balloons for a less controlled effect.

Get the instructions here:
http://www.growingajeweledrose.com/2013/05/paint-play.html 

Let's lasso the moon fills the balloons with water, rolls them in paint and then rolls them onto the paper.

Get the instructions here:
 http://letslassothemoon.com/2014/06/26/water-balloon-painting-outdoor-summer-art-activity/

Hello wonderful uses darts as well, but places her balloons in the center.

Get the instructions here:
http://www.hellowonderful.co/post/balloon-dart-painting-with-kids

How to Create a Ziploc Bag Greenhouse

Things my husband has a fun project to turn any window into a greenhouse using plastic bags, seeds, soil and tape. Kids will love to see how and whether the different seeds grow.

Good for ages 3 and up.

Get the instructions here:
http://treasuresmyhh.blogspot.com/2012/05/thms-greenhouse.html

Hummingbirded turns the greenhouse project into a super neat activity.  She has the kids wear a sock on the outside of their shoe and walk around a nature trail.  She sticks the sock in a clear plastic ziploc bag, sprays it with water, tapes it in the window and everyone gets to watch their sock grow.

Get the instructions here:
http://www.hummingbirded.com/science.html

Leaf Stepping Stones

Ted wiebe turns rhubarb leaves into stepping stones by spreading concrete on their backs. 

Good for ages 8 and up.

Get the instructions here:
http://tedwiebe.wordpress.com/2009/06/01/rhubarb-leaf-stepping-stones/

Plastic Bottle Bird Feeder

Disney's family fun shares a cute way take a plastic bottle and some wooden spoons and turn it into a bird feeder.  You could also decorate the bottle with paint, stickers and tape.

Good for ages 6 and up.

Get the instructions here:
http://familyfun.go.com/crafts/backyard-bird-feeder-672532/

Ramblings from utopia has a more rustic looking version complete with a jagged opening.  She drills her version right into the tree.   

Get the instructions here:
http://www.ramblingsfromutopia.com/2012/04/diy-earth-day-project-soda-bottle-bird.html

Milk Carton Bird House

Wooz creates a milk carton bird house using simply a coat of paint to cover the carton and markers to decorate the house. She cuts a round hole and adds a twig post for the birds to perch from.

Good for ages 6 and up.

Get the instructions here:
http://www.wooz.dk/?p=5006

Craft project ideas paints their milk carton and adds colorful button shingles to make a roof.  She then cuts a hole and adds a pipe cleaner and  pompom bird.

Get the instructions here:
http://www.craftprojectideas.com/index.php/how-to/material-of-the-month/craft-buttons-april-2014/1682-button-birdhouse

Embellished Plastic Boxes

Say yes to hoboken turns ordinary plastic boxes, spray paints the lid and glues on top a pretty handle pull. 

Good for ages 9 and up.

Get the instructions here:
http://sayyestohoboken.com/2013/05/diy-mothers-day-gift-decorated-acrylic-boxes.html