For the most amazing building toy with great hackability, I highly recommend Uberstix - you can build planes that fly, boats that sail, robots, buildings, dynam

For the most amazing building toy with great hackability, I highly recommend Uberstix - you can build planes that fly, boats that sail, robots, buildings, dynamic systems, catapults etc etc: http://www.uberstix.com/ http://www.uberstix.com/