none
Our algorithm tracks 204 verified sales from eBay and other marketplaces. We don't use asking prices, only what buyers actually pay.
We automatically exclude damaged items, reproductions, and extreme outliers to ensure the average is representative of the true market value.
The retro market moves fast. Our database refreshes every day to capture the latest trends and shifts in collector demand.
Confidence Score: High • Based on 204 verified transactions
Currently, the value of a Complete In Box (CIB) copy of Number Builder is estimated around $3.68. For collectors looking for a Loose copy, transactions usually happen around $1.67. The price gap suggests that the box is relatively common.
Released in 1985 on Commodore 16, this title is an interesting piece for any Commodore 16 collector. The game's value is rising, a sign of growing interest from collectors.
Login to post a comment
No comments yet. Be the first!
none
Our algorithm tracks 204 verified sales from eBay and other marketplaces. We don't use asking prices, only what buyers actually pay.
We automatically exclude damaged items, reproductions, and extreme outliers to ensure the average is representative of the true market value.
The retro market moves fast. Our database refreshes every day to capture the latest trends and shifts in collector demand.
Confidence Score: High • Based on 204 verified transactions