It lets you make an exact, vibrating silicone replica of any penis at home, cast in glow-in-the-dark silicone.

The kit includes body-safe platinum-cure silicone, algae-based molding powder, a molding tube measuring 10.8 inches long and 2.5 inches wide, a vibrator, a stir stick, a disposable thermometer, scissors, and easy-to-follow instructions.

The kit is designed to accommodate an average size. The manufacturer gives the U.S. average as 5.1 inches long and 2.3 inches wide. Above 7 inches long, or girthier than average, you may need an XL vibrator and extra silicone.

It is 100% platinum-cure, medical-grade, body-safe silicone. The molding powder is algae-based.

All DIY molding kits are hand-assembled in Portland, Oregon, USA.

It can be tricky. The manufacturer publishes a how-to page, an ultimate molding guide, and tutorial videos to walk you through each step.

A single-speed vibrator is included with this kit.

No. The manufacturer notes that the glow silicone ships differently than pictured.

This listing carries three: Glow Green, Glow Blue and Glow Pink.

The kit weighs 454 g (16.0 oz).