Is it round?

0) It is mineral with animal associations.
1) Is it bigger than a breadbox? No
2) Does it have moving parts? No!
3) Is it manufactured? Yes
4) Does it cost more than the average novelty breadbox in the shape of a grand piano? Assuming your idea of a good price to pay for a grand-piano-shaped breadbox is about $0.06, yes!
5) Is it ornamental? No
6) Is it a really small ukulele? No!
7) Does it have a practical application? Yes indeed!
8) Would you keep it in the bathroom? No. I suppose one could, but I wouldn't recommend it.
9) Is it round? It is not spherical, but it is circular about one axis, yes.

Does it produce light?

) It is mineral with animal associations.
1) Is it bigger than a breadbox? No
2) Does it have moving parts? No!
3) Is it manufactured? Yes
4) Does it cost more than the average novelty breadbox in the shape of a grand piano? Assuming your idea of a good price to pay for a grand-piano-shaped breadbox is about $0.06, yes!
5) Is it ornamental? No
6) Is it a really small ukulele? No!
7) Does it have a practical application? Yes indeed!
8) Would you keep it in the bathroom? No. I suppose one could, but I wouldn't recommend it.
9) Is it round? It is not spherical, but it is circular about one axis, yes.
10) Does it produce light? No.

11) Do they traditionally come singularly, or when there's one are there normally others?

0) It is mineral with animal associations.
1) Is it bigger than a breadbox? No
2) Does it have moving parts? No!
3) Is it manufactured? Yes
4) Does it cost more than the average novelty breadbox in the shape of a grand piano? Assuming your idea of a good price to pay for a grand-piano-shaped breadbox is about $0.06, yes!
5) Is it ornamental? No
6) Is it a really small ukulele? No!
7) Does it have a practical application? Yes indeed!
8) Would you keep it in the bathroom? No. I suppose one could, but I wouldn't recommend it.
9) Is it round? It is not spherical, but it is circular about one axis, yes.
10) Does it produce light? No.
11) Do they traditionally come singularly, or when there's one are there normally others? The latter.

Keep 'em coming! I'll be on a plane all day tomorrow, but let's see how many questions I can answer before then!

Is it a coin?

0) It is mineral with animal associations.
1) Is it bigger than a breadbox? No
2) Does it have moving parts? No!
3) Is it manufactured? Yes
4) Does it cost more than the average novelty breadbox in the shape of a grand piano? Assuming your idea of a good price to pay for a grand-piano-shaped breadbox is about $0.06, yes!
5) Is it ornamental? No
6) Is it a really small ukulele? No!
7) Does it have a practical application? Yes indeed!
8) Would you keep it in the bathroom? No. I suppose one could, but I wouldn't recommend it.
9) Is it round? It is not spherical, but it is circular about one axis, yes.
10) Does it produce light? No.
11) Do they traditionally come singularly, or when there's one are there normally others? The latter.
12) Is it a coin? Nope!

Would a dog think twice before eating it?

Would you wear it?

0) It is mineral with animal associations.
1) Is it bigger than a breadbox? No
2) Does it have moving parts? No!
3) Is it manufactured? Yes
4) Does it cost more than the average novelty breadbox in the shape of a grand piano? Assuming your idea of a good price to pay for a grand-piano-shaped breadbox is about $0.06, yes!
5) Is it ornamental? No
6) Is it a really small ukulele? No!
7) Does it have a practical application? Yes indeed!
8) Would you keep it in the bathroom? No. I suppose one could, but I wouldn't recommend it.
9) Is it round? It is not spherical, but it is circular about one axis, yes.
10) Does it produce light? No.
11) Do they traditionally come singularly, or when there's one are there normally others? The latter.
12) Is it a coin? Nope!
13) Would a dog think twice before eating it? I know at least one dog that has eaten one of these, but he was a pretty dumb dog.
14) Would you wear it? Nope!

Is it a mouse (the kind most associated with computers)?

0) It is mineral.
1) Is it bigger than a breadbox? No
2) Does it have moving parts? No!
3) Is it manufactured? Yes
4) Does it cost more than the average novelty breadbox in the shape of a grand piano? Assuming your idea of a good price to pay for a grand-piano-shaped breadbox is about $0.06, yes!
5) Is it ornamental? No
6) Is it a really small ukulele? No!
7) Does it have a practical application? Yes indeed!
8) Would you keep it in the bathroom? No. I suppose one could, but I wouldn't recommend it.
9) Is it round? It is not spherical, but it is circular about one axis, yes.
10) Does it produce light? No.
11) Do they traditionally come singularly, or when there's one are there normally others? The latter.
12) Is it a coin? Nope!
13) Would a dog think twice before eating it? I know at least one dog that has eaten one of these, but he was a pretty dumb dog.
14) Would you wear it? Nope!
15) Is it a mouse (the kind most associated with computers)? Nope!

UPDATE! I had originally said this item was "mineral with animal associations", but further research reveals that most items of this type are now made of a different substance which does not have an animal connection!

Is it electrical?

0) It is mineral.
1) Is it bigger than a breadbox? No
2) Does it have moving parts? No!
3) Is it manufactured? Yes
4) Does it cost more than the average novelty breadbox in the shape of a grand piano? Assuming your idea of a good price to pay for a grand-piano-shaped breadbox is about $0.06, yes!
5) Is it ornamental? No
6) Is it a really small ukulele? No!
7) Does it have a practical application? Yes indeed!
8) Would you keep it in the bathroom? No. I suppose one could, but I wouldn't recommend it.
9) Is it round? It is not spherical, but it is circular about one axis, yes.
10) Does it produce light? No.
11) Do they traditionally come singularly, or when there's one are there normally others? The latter.
12) Is it a coin? Nope!
13) Would a dog think twice before eating it? I know at least one dog that has eaten one of these, but he was a pretty dumb dog.
14) Would you wear it? Nope!
15) Is it a mouse (the kind most associated with computers)? Nope!
16) Is it electrical? Nope!

Is it normally made of a ceramic or silica/glass?

---

Part time Quantum Elephant hollower

Is it normally used to contain something else?

0) It is mineral.
1) Is it bigger than a breadbox? No
2) Does it have moving parts? No!
3) Is it manufactured? Yes
4) Does it cost more than the average novelty breadbox in the shape of a grand piano? Assuming your idea of a good price to pay for a grand-piano-shaped breadbox is about $0.06, yes!
5) Is it ornamental? No
6) Is it a really small ukulele? No!
7) Does it have a practical application? Yes indeed!
8) Would you keep it in the bathroom? No. I suppose one could, but I wouldn't recommend it.
9) Is it round? It is not spherical, but it is circular about one axis, yes.
10) Does it produce light? No.
11) Do they traditionally come singularly, or when there's one are there normally others? The latter.
12) Is it a coin? Nope!
13) Would a dog think twice before eating it? I know at least one dog that has eaten one of these, but he was a pretty dumb dog.
14) Would you wear it? Nope!
15) Is it a mouse (the kind most associated with computers)? Nope!
16) Is it electrical? Nope!
17) Is it normally made of a ceramic or silica/glass? No
18) Is it normally used to contain something else? No

19) A needle?

0) It is mineral.
1) Is it bigger than a breadbox? No
2) Does it have moving parts? No!
3) Is it manufactured? Yes
4) Does it cost more than the average novelty breadbox in the shape of a grand piano? Assuming your idea of a good price to pay for a grand-piano-shaped breadbox is about $0.06, yes!
5) Is it ornamental? No
6) Is it a really small ukulele? No!
7) Does it have a practical application? Yes indeed!
8) Would you keep it in the bathroom? No. I suppose one could, but I wouldn't recommend it.
9) Is it round? It is not spherical, but it is circular about one axis, yes.
10) Does it produce light? No.
11) Do they traditionally come singularly, or when there's one are there normally others? The latter.
12) Is it a coin? Nope!
13) Would a dog think twice before eating it? I know at least one dog that has eaten one of these, but he was a pretty dumb dog.
14) Would you wear it? Nope!
15) Is it a mouse (the kind most associated with computers)? Nope!
16) Is it electrical? Nope!
17) Is it normally made of a ceramic or silica/glass? No
18) Is it normally used to contain something else? No
19) A needle? Nope!

Here's a big hint: recall that I am a math grad student and teacher. I use this item almost every day.