For ages over 5. Excavate your very own crystals. Add them to your rock collection. The kit contains natural crystals of various colours. You'll love this cool mineral rock digging kit! Dig. Study. Display. Gift. 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 and detailed instructions with fun facts. Remarks: The crystals included are natural crystals which sizes, colours, and colour combination may vary. Approximate sizes range from 15 mm - 20 mm. Website: www.4M-Ind.com. CE listed. Website: www.toysmith.com. Made in China.