Magic Rocks Value Set -Smithsonian

Turn chemistry into display with the Smithsonian Magic Rocks Value Set. This hands-on STEM kit lets kids drop “magic” metal-salt stones into a solution and watch colorful crystals grow into impressive formations in just minutes. Ages 10+ and itself a fun gift or classroom activity.

Dive into the world of chemical reactions and mineral formations with the Smithsonian Magic Rocks Value Set. Designed to bring science home, this kit includes specially formulated “magic rocks” that, when placed in the sodium-silicate based solution, grow into striking crystal towers—some reaching up to 4″ tall.

With the included branded background, sticker sheet and full-color poster that explains the science behind crystal growth and mineral formation, this kit offers both engaging play and educational value. It encourages kids to observe, measure, compare growth rates, record their findings, and think about real-world applications of crystals in technology and nature.

Ideal for home experimentation, classroom use or gift giving, the Smithsonian Magic Rocks Value Set helps spark curiosity, build confidence in science and deliver a rewarding result that kids can proudly display. With growth occurring in as little as ten minutes and continuing over several hours, it fits a wide range of project styles and learning paths.

• Product Dimensions: 6.00" L x 2.00" W x 9.00" H
• Material: See packaging
• Play Pattern: Hands-on exploration & STEM play
• Skill Development: Critical thinking & scientific reasoning
• Care Instructions: Store all components in a clean, dry place and keep smaller pieces in labeled bags or containers to prevent loss. Use included tools, chemicals or materials exactly as directed and under adult supervision when required. Wipe surfaces and reusable parts with a dry or slightly damp cloth after use; never submerge electrical or sensitive components in water. Dispose of single-use materials responsibly after completing experiments. Keep kits away from heat sources, open flames and direct sunlight. Wash hands after handling science materials or experiment elements. For multi-session projects, label progress and store unfinished builds safely to protect components.