You can be a geologist digging in the clay to find your own crystals with this complete kit. Contents: 1 plaster block with 8 natural crystals buried inside, 1 specially designed digging tool, 1 brush, 1 magnifier, 1 set display case with cover and base card, 1 pouch bag. Detailed instructions with fun facts. measures: 17x6x21 cm high. recommended age: +7 years old.