Draw UI components for game development

Hello I need images for game UI , it will be better if you know how UI works in UNITY game development platform.A glimpse of game is given in the attached video. The UI should look suitable to 3D environment What I need is Buttons 1)empty button (without text) 2) pause and play buttons 3) close button 4) arrow button 5) treasure boxes (to reward players,need close and open boxes) 6) watch ads button 7) Market / Shop button Canvas background 8) Lock symbol Characters with different facial expression(for story narration) Image that helps me animate transition from 1 screen to another. I need them delivered in transparent png form.