It comes as a solid metal frame that's not too heavy and (best of all) a solder roll holder that keeps your wire from getting tangled! The roll holder can support up to 1kg of solder wire.
NEW PRODUCT – Solder Wire Holder Stand – TJ-227 « Adafruit
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Solder Wire Holder Stand - Atten TJ-227 - BC Robotics
Solder Spool - 1/4 lb SAC305 RoHS lead-free / 0.031 rosin-core
If you want to make a kit you'll need some solder. This 1/4 lb (about 110 gram) spool is just the right amount, not too much (like 1 lb spools) and
Solder Spool - 1/4 lb SAC305 RoHS lead-free / 0.031 rosin-core
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Solder Wire Holder Stand - Atten TJ-227 - BC Robotics