Apply Plaster Tail Bones to your (Skeleton Type)

Wiki note: The title of this option varies with its Implausibility, Antiquity, Amalgamy, and Menace qualities:
Apply Plaster Tail Bones to your

Skeleton: Self-Evident Implausibility	Text
0	Authentic
1	Almost Believable
2	Mildly Questionable
3	Questionable
4	Very Questionable
5	Somewhat Incredible
6	Incredible
7	Beyond Incredible
8	Laughable
9	Plainly Fake
10-14	Brazenly Fake
15-20	Flamboyantly Fake
20+	Fantastic

Skeleton: Antiquity	Text
0	Relatively Recent
1-3	Partially Prehistoric
4+	Prehistoric

Skeleton: Amalgamy	Text
0	Free of Rubbery Influence
1	Probably Not Rubbery
2	Possibly Rubbery
3	Probably Rubbery
4	Rubbery
5	Amber-Formed
6	Fluke-Born
7	Amalgamous
8-9	Shameful
10-14	Deeply Shameful
15+	Constructed of the Shapeling Arts

Skeleton: Menace	Text
0	Creature
1	Animal
2	Beast
3	Monster
4	Monstrosity
5	Demon
6+	Abomination

A player-created Guide is available for this content: Assembling a Skeleton (Guide)

How are the above links here?

ID: 242489

Spoiler warning! This page contains details about Fallen London Actions.

From: Assemble a Skeleton

Nothing you do will make this anything other than a replica.

Game Instructions: These will always make the skeleton slightly less plausible, but success will reduce the effect.

Unlocked with Skeleton: Tails Needed, 1 x Plaster Tail Bones

Locked with Skeleton: Skulls Needed

Challenge information

Narrow, Mithridacy 3 (50% base)

• 0 - high-risk (20%)
• 1 - high-risk (30%)
• 2 - tough (40%)
• 3 - very chancy (50%)
• 4 - chancy (60%)
• 5 - modest (70%)
• 6 - very modest (80%)
• 7 - low-risk (90%)
• 8 and above - straightforward (100%)
  

Success

Casts of an original set of tail bones

They look as good as you could reasonably expect. You will not be able to claim that this is genuine bone, of course, but you could say that it's cast from genuine bone. Some collectors won't mind too much.

•  You've lost 1 x Plaster Tail Bones
•  You've gained 250 x Approximate Value of Your Skeleton in Pennies
•  You've lost 1 x Skeleton: Tails Needed
•  You've gained 1 x Skeleton: Tails
•  You've gained 1 x Skeleton: Self-Evident Implausibility

Failure

A fingernail will scratch them

But they at least add a certain gravity to the finished composition.

•  You've lost 1 x Plaster Tail Bones
•  You've gained 250 x Approximate Value of Your Skeleton in Pennies
•  You've lost 1 x Skeleton: Tails Needed
•  You've gained 1 x Skeleton: Tails
•  You've gained 4 x Skeleton: Self-Evident Implausibility