Instructions are in-game. Click on the "?" button for how to play and the "!" button to learn about circuits. We did a PHET simulation in science class and I got inspired.
Some information is from google PHET simulation that was inspiration: https://phet.colorado.edu/sims/html/circuit-construction-kit-dc/latest/circuit-construction-kit-dc_all.html Endlessly stretchy wire inspired by Stretch by @ceebee Battery, light bulb, and resistor drawn on Piskel. Images are from: byjus.com flexbooks.ck12.org