Ammonite Fossil, Dinosaur Bone, Crinoid Stem - Mesozoic Fossil Set with Specimen Case

This is a Mesozoic fossil excavation and cleaning set with a specimen case. Although it says cleaning set, only the fossils are included in this listing.
Purchased at a museum for approximately 2000 yen.

?Ammonite (2.5cm x 2cm) Late Jurassic, from France
?Dinosaur bone (2.5cm x 1cm) Late Jurassic, from the USA
?Crinoid stem (1cm x 0.5cm) Middle Jurassic, from Morocco, with a star-shaped cross-section

- Accessories: Specimen case
- Case size: Approx. 5cm x 8.5cm

I own a cat. I take care when packing, but please refrain from bidding if you are concerned.
There are no smokers in the household.
Immediate purchase is welcome.