How to Fix a Broken Magnetic Putty (Crags or Matte)

Magnetic putty is a fantastic fidget tool, but like any sensory material, it can change over time. You might notice your Speks putty becoming dry, crumbly, or too sticky to handle. Before you toss it, know that most issues are fixable with a little patience and the right technique.

Whether you're using the Matte Crags Bundle or a classic Speks putty, this guide covers common problems and practical solutions. With a few simple steps, you can restore your putty's original texture and keep it enjoyable for months.

Why Magnetic Putty Changes Over Time

Magnetic putty is a viscoelastic material—it flows like a liquid when handled slowly and snaps like a solid when pulled quickly. This unique property comes from polymer chains and magnetic particles. Over time, exposure to air, temperature swings, and oils from your hands can alter the putty's consistency. Dry air can cause it to harden, while humidity or hand oils can make it sticky.

The good news: these changes are usually reversible. With proper care, you can bring your putty back to its original feel. Avoid using harsh chemicals or excessive heat, which can damage the magnetic particles permanently.

• Store putty in its original container or a sealed bag when not in use to slow drying.

Step-by-Step Fix for Dry or Crumbly Putty

If your putty feels dry, stiff, or starts cracking when you stretch it, it likely needs moisture. Start by kneading the putty vigorously for 2–3 minutes. The warmth and motion can redistribute the oils inside. If that doesn't help, add a tiny drop of silicone oil or mineral oil (not water) to the center of the putty. Fold and knead until the oil is fully absorbed. Use less than a drop—too much will make it greasy.

For putty that has become crumbly, try the 'warm-up' method: place the putty in a sealed plastic bag, then submerge the bag in warm (not hot) water for 5 minutes. Remove, dry the bag, and knead the putty inside the bag. This softens the polymer without exposing it to moisture. If crumbs remain, repeat the process with a tiny amount of oil.

• Never use water directly on magnetic putty—it can rust the magnetic particles.
• If using oil, choose a non-silicone mineral oil to avoid altering the putty's magnetic response.

How to Fix Sticky or Overly Soft Putty

Sticky putty is often caused by absorbing too much moisture or hand oils. To fix it, first wash and dry your hands thoroughly before handling. Then, knead the putty with a small amount of cornstarch or baby powder. Sprinkle a pinch on the surface, fold it in, and continue kneading. The powder absorbs excess moisture and restores a non-stick texture.

If the putty remains too soft, let it sit uncovered on a clean, dry surface for 15–30 minutes. This allows some moisture to evaporate. Check it every few minutes to avoid over-drying. For stubborn stickiness, you can refrigerate the putty in a sealed bag for 10 minutes—cooling firms it up temporarily, making it easier to handle.

• Avoid using flour or baking soda, which can leave residues and attract pests.

Preventive Care for Long-Lasting Putty

The best fix is prevention. Always store your Speks putty in its original container or an airtight bag. Keep it away from direct sunlight, heaters, and dusty surfaces. Wash your hands before each use to minimize oil transfer. If you live in a dry climate, consider adding a small humidity pack (like those used for guitar cases) to the storage container.

Rotate between different putty types to reduce wear on any single piece. For example, the Matte Crags Bundle offers a variety of textures that can keep your fidgeting fresh. With consistent care, your magnetic putty can last for years without needing major repairs.

• Clean your hands before handling to prevent buildup of dirt and oils.

Magnetic putty is durable, but it responds to its environment. By understanding why it changes and how to fix it, you can keep your Speks putty in top shape. Whether you're reviving a dried-out Crags or a sticky Matte, these simple techniques will save you money and frustration. For more tips, explore the Speks care collection and enjoy your fidgets longer.