Newer lead-free solders have been getting better and better. We recommend this SAC305, no clean flux core, solder for your projects!
The Hakko FA400-04 Smoke Absorber is a great upgrade to your soldering toolkit
A simple and wildly useful tool, with an awesome name to match.
For storing small parts (especially SMT/SMD components), these little modular boxes are ideal.
Yay...Heat shrink! Never worry about connection breakage again! Use it to reinforce connections, protect devices, and electrically isolate exposed solder joints. A variety of colors are included to color code your signals or just to make things look pretty!
Tiny snap enclosures, ideal for storing tiny things!
Chances are, when you want to measure something you want it to be accurate. This is where a handy-dandy set of digital calipers becomes handy...dandy.