ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,340, issued on Jan. 28.
"Toy car and toy car system" was invented by Zewei Chen (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A toy car includes a shell component. The shell component is provided with wheels capable of rotating relative to the shell component. Each of the wheels includes a rolling part and an abutting part. The abutting part is arranged on one side of the rolling part facing away from the shell component. The rolling part is configured to be engaged to an upper surface of a building block and roll along the upper surface of the building block. And the abutting part is configured to abut against a side surface of t...