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Stim Toys and Fidgets

Bumpy Pen


Bumpy pens are covered in a densely packed pattern of firm bumps and soft rubber spikes. The result is a textured and slightly squishy surface that makes the pens easy to grip and ideal for silent, stealthy stimming.

Bumpy pens are black light responsive.

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Additional Info


  • Size: 5.5" (14 cm) long, bumpy portion of the barrel is about a 1/2 inch (1.3 cm) thick and 4.25 inches (11 cm) long.

  • Materials: Rubber, plastic, black ink; includes clear plastic pen cap.

  • WARNING: Choking Hazard - Small parts. Not for children under 3 years.