Bicycle
A standard pedal bicycle is a human-powered two-wheeled vehicle used for commuting, recreation, or transportation, with the $200 Amazon best-seller being a beginner mountain bike model featuring an 18-speed steel frame, V-brakes, and 24-inch wheels.
Estimated value as of 2026 路 Source: https://www.youtube.com/watch?v=B7JhCXQjk8k
Fun Fact
The cheapest bikes on Amazon, priced around $99-拢99, are often criticized for poor fit, tiny wheels, and low quality in real-world tests.
Price History
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Blimp
A blimp is a type of non-rigid or semi-rigid airship used for advertising, passenger rides, and aerial observation, with the Goodyear Blimp being the most iconic example.
Space Shuttle (per mission)
The Space Shuttle program conducted 135 missions from 1981 to 2011, with the total lifetime cost averaging $1.5 billion per mission when including all program overhead from development through retirement.
Dragline
A dragline is a massive heavy excavator used in surface mining for removing overburden, featuring a long boom and bucket dragged by cables.
Tunnel Boring Machine
A Tunnel Boring Machine (TBM) is a massive heavy equipment machine used to excavate tunnels with a rotating cutting wheel, typically employed in large-scale infrastructure projects like subways and highways.