WELCOME
TO PLANET MRCX​

Travel through the universe of Monsieur Cailloux. Unique pieces to adopt, limited editions, and scientific discoveries.

monsieur-cailloux-specimen-102monsieur-cailloux-specimen-84monsieur-cailloux-specimen-116monsieur-cailloux-specimen-64 monsieur-cailloux-specimen-56monsieur-cailloux-specimen-232monsieur-cailloux-specimen-316monsieur-cailloux-specimen-279monsieur-cailloux-specimen-315monsieur-cailloux-specimen-367

ONE OF KIND

See ALL
Age

452

MRCX Zone

K6

Height cm

10.7

Width cm

5.5

Length cm

5.5

No items found.

Specimen N°437

€ 400,00 EUR
Age

2974

MRCX Zone

C7

Height cm

15.7

Width cm

17

Length cm

12

No items found.

Specimen N°412

€ 600,00 EUR
Age

1278

MRCX Zone

L2

Height cm

12.5

Width cm

10.7

Length cm

8.8

No items found.

Specimen N°424

€ 300,00 EUR

limited editions

See ALL
No items found.

Discoveries

See ALL
EP.01

Planet mrcx

Planet MRCX, a mysterious and artistic world with diverse landscapes and unique details ready to be explored.
DISCOVER
EP.02

The world map

Map of Planet MRCX by Monsieur Cailloux
DISCOVER

NOTEBOOK

See ALL

The Colorful Volcanoes

DISCOVER
No items found.

Discoveries

See ALL
EP.01

Planet mrcx

Planet MRCX, a mysterious and artistic world with diverse landscapes and unique details ready to be explored.
DISCOVER
EP.02

The world map

Map of Planet MRCX by Monsieur Cailloux
DISCOVER

NOTEBOOK

See ALL

The Colorful Volcanoes

DISCOVER

Discoveries

See ALL
EP.01

Planet mrcx

Planet MRCX, a mysterious and artistic world with diverse landscapes and unique details ready to be explored.
DISCOVER
EP.02

THE WORLD MAP

Map of Planet MRCX by Monsieur Cailloux
DISCOVER
EP.03

THE CAILLOUX LOCOMOTION

Walking caillou
DISCOVER
monsieur-cailloux-icon
WANT TO RECEIVED ALL LATEST DISCOVERIES FROM PLANET MRCX straight to your inbox?

Join our newsletter for the latest news and specimens

Thank you! Check your mailbox to confirm your subscription!
Oops! Something went wrong while submitting the form.
HELP
FAQContact
INFORMATIONS
General Terms and Conditions of SaleLegalsPrivacy PolicyMy dataCookies preferences
© 2025 Monsieur Cailloux. All rights reserved.

By clicking "Accept", you agree to the storing of cookies on your device to enhance site navigation and analyze site usage. View our Privacy Policy for more information.

PreferencesRejectAccept
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.