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Contest: Parallel Circuit

By camilalau, Jan 4, 2026

Primary Electrical Makings

Age: 7 – 12 Years

Task

Participants are required to design and assemble a 3D puzzle model and connect it with a functional parallel electrical circuit using components such as LEDs, switches, wires, and batteries.
Each participant must ensure their circuit efficiently distributes current to illuminate all LEDs simultaneously.

Parallel Circuit Construction

Parallel Circuit Construction Challenge

Competition Regulations

State Competition National Competition
  • Participants submit a video showing the full construction process.
  • Must include a visible timer from start to finish.
  • Maximum of 15 LEDs allowed.
  • Each LED must be spaced at least 3 cm apart.
  • Video editing or pauses lead to disqualification.
  • Participants build on-site using only provided materials.
  • Must apply parallel circuits to illuminate as many LEDs as possible.
  • Construction time: 1 hour.
  • Secret missions may be added during competition.
  • Judges’ decision is final; no communication with coaches allowed.

Scoring Highlights

  • Correct 3D puzzle assembly
  • Functional parallel LED circuit
  • Creative and organized wiring
  • Time efficiency and problem-solving approach