Cave Popcorn Rock

This Loose in the Labs kit can be bought alone or as a gift with party favor add - ons! WARNING: CHOKING HAZARD - Small parts, not suitable for kids under 3. Place the provided rocks in a shallow bowl and pour household vinegar over them. Put the dish in a undisturbed spot and check it daily for a week. You'll see small white crystals start forming on the first day and keep growing. It's a great way to mimic stalagmites, cave frost, and other fine features in limestone caves. Grow cave popcorn crystals similar to those in limestone caves! Witness cave frost and cave popcorn crystals grow in just a few days. The kit comes with 3 dolomite samples.

How to use: First, take the rocks from the kit and put them in a shallow bowl. Then, pour some household vinegar over the rocks. Find a place where the dish won't be bothered and leave it there. Check on it every day for a week. You'll notice small white crystals forming and growing. Note: This product has small parts, so it's not for children under 3 years old to avoid choking hazards. Maintenance: There's no special maintenance needed. Just keep the dish in a stable place during the crystal - growing process and enjoy watching the amazing changes.