It is very interesting to dig out all the pearl from the block and assemble them into a beautiful pearl bracelet with the wire provided.It fosters a love for science in a fun and exciting way.Not only does it need child to dig like a paleotologist but it also require kid to assemble the pearl bracelet on hand.A great kit for improving child's hand on activity in modern society when kids are dominated by cell phone and other electronic products.Kit includes a block, chisel, mallet, brush and bracelet making accessories.Material: Gypsum.Color: As Picture.Package Size(L*W*H): About 17x5.5x21.5mm.Age: Over 6 years old.Package Included:1pc x Block,1pc x Mallet,1pc x Chisel,1pc x Brush,1pc x Leading Wire,1pc x Elastic String,1pc x User Guide.Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow 0.5-2 cm differences due to manual measurement.