Prism Optical Glass Crystal Pyramid Bottom Side 40mm Rectangular Pyramid Polyhedral Popularization of Science Studying
Quick answer
Is $2.81 a good price for Prism Optical Glass Crystal Pyramid Bottom Side 40mm Rectangular…?
It is the usual price, not a deal: $2.81 is in line with the typical price of $2.81 that DipScout measured over the last 6 days. Tracked since Oct 21, 2026, the price hasn't changed.
$2.81
Today it costs $2.81 on AliExpress. Since Oct 21, 2026, when we started tracking it, the price hasn't changed. By our price history, it is not on sale right now.
No drop compared with what we observed over the last 6 days.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$2.81steady
The price hasn't changed once since Oct 21, when we started tracking it.
Hover over the chart to see each price.Tap the chart to see each price.
| Store | HUILEY Official Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Tools › Measurement & Analysis Instruments |
| Recorded readings | 1 |
| First seen | 10/21/2026 |
| Last reading | 10/26/2026, 12:51:21 PM UTC |