Eric Miner is a pinball designer and mechanical engineer at Jersey Jack Pinball, serving as lead designer for the Harry Potter Pinball game. He has gained recognition for his focus on end-user serviceability and innovative design solutions like the Molex connector implementation. Miner has also been associated with Pinball Brothers as a designer/developer, and his work on Harry Potter represents a major opus-level project in the modern pinball industry.
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Designing a fun game requires balancing gameplay innovation with manufacturability constraints
The moving staircase mechanism went through 2-3 dozen prototypes before finalization
Rudy has built over 1,000 Harry Potter games by the time of this tour (Expo 2025)
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Operator experience significantly improves production speed over time, until a new title is introduced requiring operators to learn everything again
Harry Potter has 938 unique parts on the bill of materials with over 4,000 total parts in total
JJP shipped three containers of Harry Potter last week (from Expo 2025 date), with 66 games per 40-foot container
A 40-foot container of Harry Potter games represents nearly $1 million in product value (66 games × ~$15,000)
Harry Potter playfields are made by Merkle in Germany and 100% inspected on arrival
Eric Miner is the designer of Harry Potter pinball at Jersey Jack
Eric Miner is not as good as Keith Elwin as a designer
Eric Miner was personally most excited about Pirates during development streaming