Toysmith Smashable Geodes Kit Gently crack open these real geodes to reveal the crystal surprise within. Discover hidden treasure within the unassuming rock exterior. Filled with glistening crystals, the cracked-open geodes make a fine keepsake for a book shelf or desk top. Learn about crystal formation and geology with these easy-to-open geodes. This set is recommended for ages 5 and up with adult supervision. Challenge your children's imaginations and keep them active with Toysmith. Committed to providing the most imaginative toys along with the highest safety standards, Toysmith has toys appropriate for all age groups. Toysmith offers toys for any kind of play: active play, science and discovery, arts and crafts, impulse and novelty toys, and nostalgic retro classics.