Toys "R" Us offers the LEGO Technic Motorized Excavator
, model no. 8043, for $159.99
with free shipping
. That's the lowest total price we could find by $47. Sales tax is added where applicable. This 1,123 piece excavator can drive, rotate 360-degrees, and dig via IR remote control. It requires batteries to operate (not included), however the size and quantity are unclear.