Game Mechanics & Design for a Sorting Game

Need a game designer who specialises in puzzle genre and can develop game mechanics & design for a sorting gameplay like Pixel Sort. Attaching a video for reference - which has a ball bounce mechanic with sorting as the core. We want the ball bounce mechanic + Pixel Sort type gameplay, but different visuals for conveyor belt and something differnet for selection of balls. Deliverables would include: - Visual concepts on how the game mechanics will work - Visual concepts on how the game will look & feel - Visual concepts on how some of the UI screens will look - Basic game design structure for a f2p puzzle mobile game Mechanics should include ball bounce with pixel sort type gameplay. There should be strategy involved on how a puzzle game should work. This is a basic bid, later this would be extended to design 100 levels.