The making of Gem-like thing.
Metal PartsMagic glues to glue everything.
(on the left, the old type; on the right, the new thing).
assuming that 背着剤 is a typo for 接着剤The above items and parts can be found:Tamiya
Craft BondThe metal washer (n°2) are originally used like this. There's plenty of types, so when you'll go buy them, you can choose the one you like more.Tools you may need.1) round pincers, 2) flat pincers, 3) nippers, 4) tweezers.
Since the parts and your hands will get dirty, you'll also need tissue papers and pads.Material parts (bottom)It will become this part.1) metal beads (hole diameter: about 3 mm)
2) metal washer (in some shop also called "chrysanthemums washer": external diameter about 22 mm)
3) design pin (diameter on the top: about 3 mm)JR line, Asakusabashi stationto the Stationery HallThe items and glues can be found at the *deer* shop, the metal parts at the *butterfly* shops, respectively.Eastern exitToei Asakusa line, Asakusabashi station*Warning*
If you inadvertently set a foot beyond this "magic line", you won't be able to go back for half a day. Please carefully check up your engagements before starting.