DIY Recycled Cardboard Robot Tutorial by Say Noodle for Ginger Snap Crafts here. For more easy cardboard DIYs go here: unicornhatparty.com/tagged/cardboard
DIY Magnet Robots Parts Printable from Crafts Unleashed here. Stick them in an Altoids tin. *For more fun Altoids Tin projects – from Pool Table to Zen Garden to Gliding Ballerina – go here: truebluemeandyou.tumblr.com/tagged/altoids-tin
DIY Plaster of Paris Robot Tutorial from funkytime here. *I remember as a kid pouring Plaster of Paris in tiny milk cartons, then carving designs into the block.