Build eight models of realistic, heavy-duty, remote-control construction vehicles and learn about force, torque, and more!
Item#: 16555 Age: 6+
Construct four RC models of realistic farm equipment and four models of special attachments for them.
Item#: 16700 Age: 6+
Build 10 space machines, including a Mars Rover, and control your extraterrestrial explorers with an infrared remote!
Item#: 15989 Age: 8+
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