UD5 Toolkit
Virtual Zen Garden – Rake Sand Patterns with Your Mouse
Drag your cursor over a digital sand garden to draw raked lines. Place stones and create soothing patterns. A meditative, screen‑based relaxation tool.
Tag: Falling Sand Game
4+ toolsSand Perch Safety Evaluator – Are They Hurting Your Bird?
Check if a sand or concrete perch is appropriate for your bird’s size and if it’s placed correctly to avoid foot sores while keeping nails trimmed.
Concrete Mix Calculator - Online Cement Sand Gravel Ratio Tool
Calculate required bags of cement, sand, and gravel for a given concrete volume using standard mix ratios (1:2:4, etc.). Supports metric and imperial.
Digital Hourglass - Online Visual Timer with Sand
An animated hourglass that you can set for any time. Watch the sand flow. Beautiful and calming timer.