Optosensor (9865-1)
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Price Comparison
No retailers currently stock Optosensor in The United States.
Set details
Name: OptosensorSet number: 9865-1
Year: 1992
Theme: Educational and Dacta
Number of parts: 2
Number of part types: 2
Browse all 2 parts in set 9865-1 with individual pricing from BrickLink or Brick Owl.
Value of parts: $0.00
Pricing information known of 0/2 parts.
Pricing information known of 0/2 parts.
Missing pricing information on the following items.
| Part | Color | Quantity | |
|---|---|---|---|
![]() | Sensor, Light, 4.5V ![]() | ||
![]() | Technic Disc 3 x 3 with 4 Black Sections on One Side and 8 on Reverse Print [Speed Sensor] ![]() | ||
Compare the value of buying Optosensor as a complete set versus the total value of all parts individually.
BrickLink 
Ratio: what the parts sell for, over what the set sells for. Above 1× the parts are worth more than the set.
New · 6 months ?
Set ? · parts $4.96
Used · 6 months ?
Set ? · parts $7.67
Brick Owl 
New · Current ?
Set ? · parts $16.30
New · 6 months ?
Set ? · parts $0.00
New · 1 year ?
Set ? · parts $0.00
Used · Current ?
Set ? · parts $7.30
Items sold, 6 months, new, both marketplaces ?
Find the cheapest offers for set 9865-1 from sellers on secondary marketplaces like Brick Owl and eBay. As an eBay Partner Network Affiliate and Brick Owl Affiliate, I earn from qualifying purchases.
Brick Owl and eBay marketplace offers.
Notification
Notification
BrickLink history of 0 sales with 0 total item quantity. Item condition: New.
No sale history available.

![White Technic Disc 3 x 3 with 4 Black Sections on One Side and 8 on Reverse Print [Speed Sensor]](https://api.brickonomics.net/assets/parts/2723pr0005/15/rebrickable_2723pr01-15-c6fd6939-2037-4995-9a3f-f6d69c867391.webp)