The Rokenbok building and vehicle system is one of the only building systems I buy outside of LEGO® products. Right now, thier ROK Works Construction And Action Set is half price ($64.99 USD) until June 26th. The RC loader alone sells for $59.99 USD, so its like getting the remote control, conveyor, and some building elements for $5.00 USD more. If you’ve never heard of Rokenbok before, its worth a look, and they’ve got some of the best customer service I’ve ever seen in a toy company.