First of all, they were expensive.
These A-level Material Cards cost at least 20,000, and could easily go up to 40,000-50,000.
With Ree Shil's budget, even if he only bought the cheaper ones, he could only afford two at most.
Second, the information at this physical store was somewhat different from online shops.
To be more precise, perhaps online shops exaggerated or didn't provide detailed descriptions to attract customers.
In any case, now that each card was displayed in a row, the information was clear to see.
[Floating Core]: Gives mobile phones the ability to float
[Quantum Torque]: Increases physical startup speed
[Variable Frequency Probe]: Can detect ethereal traces
[Mar's Illuminating Lamp]: A spotlight with the ability to vanquish demons
[Top-notch Battery]: Improves the power system's endurance
[P-Type Resonating Electromagnetic Knife]: Mecha-exclusive weapon
[Stationary Sartus Sphere]: Significantly increases physical consumption
...
