4. Property, plant and equipment (Details Narrative) - USD ($) |
12 Months Ended | |
|---|---|---|
Feb. 28, 2026 |
Feb. 28, 2025 |
|
| Property, Plant, and Equipment [Abstract] | ||
| Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization, Period Increase (Decrease) | $ 80,873 | $ 73,846 |
| Cost, Depreciation | $ 20,131 | $ 21,888 |