Brock's Training Method
Gym Heroes · #106/132 · Uncommon · 2000
Printings & price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-18
Population data from PriceCharting, updated monthly.
How much is Brock's Training Method #106/132 worth?
As of September 25, 2026, Brock's Training Method #106/132 from Gym Heroes sells for around $2.32 in raw, ungraded condition.
Grading changes the math on this one: a PSA 10 is valued around $93.97, roughly 40.5x the raw price, while a PSA 9 sits near $8.50. 189 copies have been graded to date, and 19% of them came back a 10 — worth knowing before you pay grading fees.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Brock's Training Method has moved over time.
