Math game · 2nd grade – 5th grade
💡 Circuit Builder
Wire bulbs in series or parallel to a battery — see why series dims and parallel stays bright. Real electricity!
🔒 This one is part of the Family Pass
Every game, 99 narrated stories, Pip's hints and parent reports for up to 4 children — $15.99/month or $159.90/year. Free games are marked on the games page.
Start free, upgrade anytimeWhat does Circuit Builder teach?
Circuit Builder is a math game for 2nd grade – 5th grade that practises series & parallel circuits. Like every TernQuest game it is tied to a skill on the curriculum map (California Common Core, PK–5), and Pip the tern gives hints, never answers.
Is it free?
It is part of the Family Pass. The free tier includes 50+ games and all 99 narrated stories for one child; the Family Pass unlocks everything for up to 4 children.