# 4M Mine de cristaux - Coffret découverte

**Brand:** 4M
**Category:** Jouets & jeux
**Code (GTIN/SKU):** 5414561466093
**Canonical URL:** https://openreviews.io/en/reviews/4m/4m-mine-de-cristaux-coffret-decouverte-5414561466093

## Rating: 4.4/5 ★★★★☆ — 3 reviews analyzed
_Confidence: high_

## At a glance

4M Mine de cristaux - Coffret découverte reviews: 4.4/5 based on 3 analyzed reviews, updated September 7, 2026.

Praised: fun activity.

3 reviews analyzed, all published on other sites.
Other sites: 1 source, 3 reviews, average rating 4.4/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This science discovery kit offers children a fun and educational excavation activity to dig up real crystals. Highly appreciated for its entertaining aspect, this game allows kids to learn about geology while having fun searching for hidden treasures.

## Strengths

- **Fun activity** — The excavation process captivates children by simulating a real geological search.
- **** — The kit contains real crystal specimens to discover and collect.

## Frequently asked questions

- What types of crystals can be found in this kit?
- From what age is this activity recommended?
- How long does the excavation activity last?
- Does the kit contain all the necessary tools?

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_Source: OpenReviews — https://openreviews.io/en/reviews/4m/4m-mine-de-cristaux-coffret-decouverte-5414561466093_