We don't have a sold-price estimate for this one yet, and there are no live listings right now. We only show a number when it's backed by real data, never a fake-precise guess.
From collectors
Sales collectors logged themselves, each checked by a person before it shows. Their number in their money: never mixed into our estimate.
Sold or bought Challenge Me: Math Workout? Log it in a minute: no account. A person checks it, then it shows here for everyone, beside our estimate.
The collectors' corner: this week's poll, reported fakes, shelves on show and the top collectors.
Post a want or a sale at your price. It becomes an open intents.md document that people and AI agents can read, and it's shared to the intentsmd.com feed.
Challenge Me: Math Workout on Nintendo DS is estimated here by condition and region from sold-price data, each rated for confidence. Loose carts, complete-in-box (CIB), sealed and graded copies each sell for very different amounts, and PAL and NTSC are separate markets we never average together.
Why no number? gamepricefeed only prints a price when it's backed by sold-price data, honestly rated as an estimate. This title isn't covered yet, and we never print a fake-precise guess. How we price →
/game/nds/challenge-me-math-workout.md the prices as an intents.md feed · /game/nds/challenge-me-math-workout/intents.md open buy/sell intents · /api/price JSON · /mcp · /agents.md