This site has some really cool marble slides made from papertowel rolls, etc.

marble run from toilet rolls

Target golf game. Easy to make, lots of fun. - good idea for some indoor winter fun!

Build a Marble Run with Craft Sticks - Frugal Fun For Boys

Turn old CDs, bottle caps, and marbles into spinning tops; kids will be amazed as colors blend and patterns change. Science + art + play = FUN!

Recycled Bird Feeder | Summer Nature Crafts and Activities for Young Children | with Pin-It-Button on http://rhythmofthehome.com/2010/05/summer-crafts-activities/

Marbled Milk Paper - This science project for kids has been all over the internet and for good reason, it’s so cool!

Marker caddy using toilet paper rolls and a shoe box.

"Extraordinary projects from ordinary objects" This is a marble chute made from plain old packing styrofoam and toilet paper rolls. Pretty amazing.

DIY Projects How To Make Kids Crafts With Toilet Paper Rolls | diyready.com

De schubben zijn gemaakt van een halve toilet rol | thema zee & strand | www.peuteractiviteitenweb.com

Measure wind speed with a DIY Anemometer. An Original #kids #craft by www.piikeastreet.com #piikeastreet

paper plate marble track 1 (frugal fun for boys)

Since 2009, Paul Grundbacher of Switzerland has spent his winter free time building seven amazing marble machines. Crafted almost entirely from wood, each machine moves marbles about in a different...

Make a Balloon Rocket Car

Didi this when Brendan was a Bear...it works!

5. Use old paper towel rolls to make a marble slide. | 39 Coolest Kids Toys You Can Make Yourself

Homemade Catapult

Cloud Dough (the stuff at hands on museums) 8 cups flour & 1 cup baby oil. It feels like flour as you run your fingers through it, but it's moldable. A wonderful sensory activity for children.

arts and crafts website