$6.99
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
This is a Loose in the Labs kit that is available for purchase alone or as a gift with party favor add on's! WARNING: CHOKING HAZARD - Small Parts. Not for children under 3 years. Place these rocks in a shallow bowl and cover them with household vinegar. Set the dish where it will not be disturbed and observe it every day for a week. Small white crystals begin to form the first day and will continue to grow. Great metaphor for stalagmites, cave frost, and other delicate features found in limestone caves. Grow cave popcorn crystals like the ones found in limestone caves! Watch cave frost and cave popcorn crystals grow in days. Includes 3 dolomite samples.
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$6.99