Ninja Foodi Staysharp Knife Block With Integrated Sharpener – 6-Piece Set In Cyber Space | | By Sharkninja K32006ukcyd. Introducing the Ninja Foodi StaySharp Knife System, perfect for experienced chefs and kitchen newcomers alike. This 6-piece collection features 5 essential kitchen knives and a pair of versatile kitchen scissors, Crafted from German rust-resistant stainless steel, they're built to last. Ninja Foodi StaySharp Knife Block with Integrated Sharpener – 6-Piece Set in Cyber Space | K32006UKCYD | by SharkNinja