About Onyx
LEGO 8512 Onyx is part of the LEGO Technic Robo Riders theme, contains 37 pieces. Its original US MSRP was $5.99. BrickPicker tracks live retailer pricing across Amazon, Walmart, Target and LEGO.com, eBay sold history, BrickLink part-out value, retirement forecasts and an investment score for Onyx.
Onyx: your questions, our data
Answered live from BrickPicker’s market tracking, review analysis and retirement model — these update as the data does.
- What is LEGO 8512 Onyx worth today?
- BrickPicker currently values a sealed Onyx at $34.95, based on 3 eBay sales over the last 365 days. That is 483% above its original $5.99 US retail price. The full price history is on this page.
- Is LEGO 8512 Onyx a good investment?
- Since retiring, it has appreciated about 483% over its $5.99 retail price, with sealed copies now trading around $34.95. BrickPicker subscribers get the full Max Profit analysis for this set, which weighs eBay sold trends, retirement timing, liquidity and reviewer sentiment into one verdict.
- Is LEGO 8512 Onyx retired?
- Yes. Onyx retired in March 2001. Once retired, sets are only available on the aftermarket, which BrickPicker tracks through eBay sold prices and BrickLink listings.