This wooden construction set comes with eight tunnel-shaped blocks and 16 square wall pieces, all made of high quality solid beech wood. A perfect add-on to any wooden railway set. Of course you can create so much more than just tunnels with these blocks, such as buildings, garages, bus stops etc.. The Tibidabo Large Pack includes unpainted natural wall pieces as well as tunnel-shaped blocks in dark blue, grey, plum, light grey-blue, red, lime green, blue and ochre.