Description Grow brilliantly colored crystals with jagged spikes or a crystal studded geode that glows in the dark. This kit contains ingredients to grow the ultimate amount of fast crystals and to learn the science of gemstones in nature and in the lab. Ages 9+ Grow brilliantly color crystals Create crystals with jagged spikes Crystals with glow-in-the-dark studded geode Learn the science of gemstones in nature and in the lab unit: each Specifications Brand : Scientific Explorer Customizable : No Weight : 3.42 lbs. per Each
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