Construction Kit Websites:
magneblocks.com
Magneblocks: Creative Building Block Playset
MagneBlocks, an award-winning educational toy, are a world of infinite shape creations. Imagine Design Build Discover. Create anything you can imagine from these colorful...
fightthedragon.com
FIGHT THE DRAGON | A Community Created Hack'n Slash RPG from the makers of...
Fight The Dragon is a user created Hack'n Slash game that includes an Adventure Construction Kit that allows players to create and share their own adventures.