Great New Sciplus Products (not spam)
Acrylic Easels - These look perfect for making a Laptop Bubble Stand without all the fancy bending.
Aluminum Tape - If you want to make a solar heater or cooker, this looks promising for an easy to apply reflective backing.
Polymorph has been featured in plenty of instructables. It melts in hot water, at which point you can shape it to you every whim, and then allow it to cool. It's almost like being a Jedi!