The Standard bucket contains: 1 Connector pk (78 pcs - each wheel set = 3 pcs); 1 Geometric pk (26 pcs); and a leaflet Here is how Mobilo describes it's manufacturing process: We exclusively use absolutely safe, high-quality plastics and food-safe colours. All plastics we employ are fully recyclable! At our Sulzburg location in the Black Forest [in Germany], our mobilo components are manufactured using mostly self-generated solar power. The service buildings are heated by the waste heat of the production machines. Sustainable production is an integral part of our philosophy nearly all rejects are returned into the production cycle.