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These Crystal Model Sets contain different coloured jacks ( Red, Black & White ) and connectors ( long & short ) in a prescribed number to be joined together in an illustrated way to form structures like diamond, Graphite & Sodium Chloride.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.