Looking at knuckling down and just making my own (long!) rain chain.
Seeking:
lighterweight chain (that can be disassembled)
old silverware/flatware
old tart tins (5" or less)
old cookie cutters
funnels
small metal pitchers, like for syrup
large glass beads (marble-size or larger)
large metal beads (marble-size or larger)
small glass tiles (again, <5")
wire