Meccano makes a number of multi model sets but this Meccano 50 Model set is the largest. This box is packed with over 600 pieces of Meccano for your child to build into over 50 different motorised models, including a massive crane, a cool motorbike, a truck with articulated arm and a huge helicopter. This Meccano Multi Models 50 model set is very advanced combining traditional Meccano qualities of mechanics and movement with functional and attractive designs. There are large chunky wheels to work with as well as cool coloured metal bits.