Glow in the dark bubbles - open glow sticks & pour them into bubble solution. Link says it's hard to see glowing bubble. but it's worth a shot since they were using a glowing bubble solution not a glow stick.
Baking soda neutralizes the ph in the soil and is a natural weed killer. Sprinkle baking soda around all of the edges of garden areas to keep the grass and weeds from growing into flower beds. Just lightly cover the soil twice a year – spring and fall.
Spray Paint Through Lace! Started with a brown old chair, placed a lace curtain over the chair seat, spray painted over lace with white flat paint, let dry and then removed. Paint the rest of the chair white and use accent color to edge lace patterns!
I like this idea, but I think the "step" shelves need some more support. Garage shelving idea: the lower shelves actually glide out so you can step to reach top shelved items. Then they slide back to the wall.
Horseshoe Wreath - I'm not so much into the western/ranchy theme, but this is pretty freakin' sweet, made with just 12 horseshoes and a bandana. (And maybe some hot glue to hold the shoes in place while you're weaving the bandana?