Solar-Powered Sun Bricks!

With no external power requirements or wires whatsoever, Sun Bricks are flush-to-the-ground and utilize integral solar panels that generate up to 8 hours of light each night.
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The ROLLERtoaster!!!!

This one wins the WTU best device improvement award. The ROLLERtoaster! Great on space, just don't get it mixed up with your laminator
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Recycled Denim Insulation!!!

Made by Bonded Logic, this recycled denim insulation is the perfect alternative to fiberglass insulation. Insulating against heat and noise, it is also fire-retardant, mold-retardant and made of 85% post-industrial waste.