Bandai started the selling today the official Splatoon mini weapon collection the “Splatoon Buki Collection” in Japan. Each weapon has palm fits, mini size and you can buy them 380 Yen + tax in all the big stores and shops in Japan.
According to the official product page this is just the first line up the 2nd one is coming soon. If you are a true Splatoon fan than this is a must have collection for your.