Smart Trackerz: draw a line; truck will follow
Simply draw a line with any black crayon or thick marker and the Smart Trackerz will follow that line perfectly using its patented opti-trak technology sensors. Now you ... construct roads that go through your house all day long.
Great for eye/hand coordination!
Smart Trackerz come in 3 styles: Bulldozer, Dump Truck and Breaker. The perfect item for the ...