History of Groetchen Tool & Mfg. Co. As info is collected over time, we'll add separate 'profile pages' about makers etc.
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This feature can notify you whenever a similar item becomes available for sale, so you never miss the opportunity to add to your collection, even when you're too busy to check the site for the latest offerings.
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This feature can notify you whenever a collector wants to buy something you own, without you having to constantly check the site. Never again miss a chance to sell while the market is hot!
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If there's no Sparks currently for sale, place a Wanted Ad, which appears on the Wanted pages and sends an alert out to owners that you're eager to buy - hopefully tempting someone to sell!
Sell Your Sparks
We have a collector waiting to buy, offering up to £10
Auction Price History
Image Gallery
Archive Resources
Period photographs, old advertising literature, instruction manuals, etc.
Factoids
Public Displays
This section is under development
This Sparks information page was created in January 2026 and last updated on 18th January 2026
