Purchasing specific NFTs or any financial transactions. NFTs (Non-Fungible Tokens) are typically bought and sold on various NFT marketplaces using cryptocurrencies. To buy a specific NFT, you would need to visit an NFT marketplace like Buy Rugbaby NFTs at opensea, Rarible, or others, search for the "Rugbaby" NFT you're interested in, and follow the instructions on the platform to make the purchase. Be sure to do your due diligence and research before making any NFT purchases, as the NFT market can be highly speculative and volatile.