Track extension set "parallel circuit part 2" (to remove the starter sets 01424, 01428, 01429, 01431, 01432, 01434, 01440, 01442, 01445 and 01448):
- an inner curve switch on the right (83861) with compensating piece (83726)
- an inner curve switch on the left (83862) with compensation piece (83725)
- four curved tracks (83706)
- five straight tracks (83701)
- four straight tracks (83705)
If switchable track sections are used, a keyboard (item 08211) and switch wire (item 08972) are also required.