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This site is hand-built, fact-checked and free to use. If Inside the Engine, a game or one of Useless’s notes made you grin, a little support keeps it going and helps the network grow.
Car engine printables
Fact-checked PDFs in A4 and US Letter, sold as instant downloads from the ReallyByte store.

Colour the Engine: Car Engine Colouring Pack
Colour-in drawings of a cylinder, the four strokes, gears, a spark plug, a Wankel rotor and the first engines, each with a fact-checked caption, plus label-the-part pages.

Car Engine Puzzle Pack: Crosswords, Codes & Stroke Logic
A crossword, a word search, a code-cracker, a stroke-order puzzle, a petrol-or-diesel sort and a timeline sort, with answer keys.

Car Engine Fact Cards: Parts, Pioneers & Power
Twenty-four fact-checked cards on engine parts, the four strokes, petrol and diesel, gears and the inventors, ready to cut out.

How an Engine Works: A Car Engine Workbook
Follow the four strokes, compare petrol and diesel, work out gear ratios and horsepower, and build an engine timeline from 1807 to 1971.

Pistons & Sparks: Kids’ Car Engine Worksheets
For ages 7 to 11: name the parts, order the strokes, true or false, spark or squeeze, gear maths and a crankshaft maze.

Car Engine Poster Set
Six fact-checked posters: the four strokes, petrol vs diesel, engine parts, gears, where the energy goes and the engine pioneers.
