Are these acrylic?
If they're acrylic as listed in the description they should be called aquamarine-colored because calling them aquamarine is misleading as it is a semi-precious gemstone. If they are synthetic aquamarine, the description should be updated.
Either way $40 for a non-laser-etched and stamped synthetic or acrylic die set that isn't properly weighted or sized is not worth your time. There are better options.
If they're acrylic as listed in the description they should be called aquamarine-colored because calling them aquamarine is misleading as it is a semi-precious gemstone. If they are synthetic aquamarine, the description should be updated.
Either way $40 for a non-laser-etched and stamped synthetic or acrylic die set that isn't properly weighted or sized is not worth your time. There are better options.