PPR-SS-05 Snap & Fix Set w/Adj. Angle Arms + 90 Degree Clamps (Magnetic) option-set-083 0 M4 decoders need the

0 M4 decoders need the new speaker with an impendance of 4 Ohms

Darlington and Doncaster

you should buy the ECoSlink Terminal

Most other major wooden railway brands are compatible with Bigjigs Rail

GMC-M1 - Cased Transformer

PPR-SS-05 Snap & Fix Set w/Adj. Angle Arms + 90 Degree Clamps (Magnetic) option-set-083 0 M4 decoders need the2 pairs of right angle magnetic clamps and 2 pairs of magnetic clamps with adjustable angles. Simply pull apart, place inside and outside your corners and snap into place. The snap and glue pairs hold the two pieces of plastic, wood, etc. in place and allow you to glue them at the desired angle without further worry. After curing of the adhesive do remove easily the Snap & Glue magnetic clamps.