Thames & Kosmos Various Remote Control Machines: Space Explorers Science Kit Price: $99.95 (as of 28/04/2020 15:56 PST- Details)

With this engineering kit, you can build a remote-controlled model of a robotic rover resembling the ones used to explore Mars
This 237-piece construction set includes instructions to build not only the robot rover, but nine additional space-themed models as well
A full-color, 64-page step-by-step illustrated manual helps kids assemble all of the models