Invisible Sticky Sand Prank Ball

Описание предложения

I’m planning a harmless prank for my YouTube channel and need a small, sand-coloured ball that practically disappears against a typical road or footpath until it’s stepped on or picked up. The core requirements are simple but specific: • Composition: use only natural materials for the ball itself. • Activation: when I add a few drops of organic water type liquid, the surface should turn tacky enough to cling to a shoe or hand, yet lose that stickiness on its own after roughly three hours. • Colour: I want the freedom to tweak shades so the ball can match different outdoor surfaces (brown, grey, beige or any close custom mix I request). Your deliverable can be either a ready-to-ship prototype or a clear, repeatable recipe with step-by-step instructions and s...

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