In the DIY Kit you have purchased from Tindie, you will get a bare PCB of Muscle BioAmp Shield v0.3 and to start the assembly process It is recommended to keep the Interactive BOM link handy to make the assembly process a breeze!

Solder 1M resistors at R1 and R2

Solder 330R resistors at R13 to R18

Solder 10K resistors at R12, R19, and R20

Solder 22K resistors at R6 and R7

Solder 1K resistors at R3, R9, and R10

Solder 220K sesistors at R4, R5, R8, and R11

Solder 1nF capacitors at C4 and C7

Solder 100nF capacitors at C2, C9, and C11

Solder 100pF capacitors at C3, C5, and C8