This is a huge Lot of 303 pieces of Zoob Builderz Blocks which include: 285 pieces of connectors and ball and socket joints 10 XL connectors and or ball and socket joints 2 Pull back motors 1 set of regular size axles 1 large set of axles from a Racer Z set 4 individual wheels 2 idea cards(not included in the count) Please ask if you have any questions. ~ Christine. Keywords: STEM - Educational - starter set - extension pack - engineering - construction toy - interactive - moving pieces - snap together parts - kinetic sculptures - creative play - cars