The Martial Flowdart (v1) by Flowtoys.

Features:

• good weight and great feel
• many colors and modes – infinitely adjustable
• durable – rechargeable – lifetime warranty

Includes one led dart with 14′ braided cotton rope leash, a nylon flag and a micro USB cable.

Specs:

• Dart head weight: 188g
• Dart size: length 178mm | diameter 42mm (7″x1.65″)
• Dart flag: width 280mm | length 255mm

The LED capsule has 10 adjustable modes, a preset mode with 10 patterns, a nocturnal mode to optimize battery life, and a “favorites” mode that recalls your last 10 saved patterns. Either the speed, color palette, brightness or preset patterns can be selected or adjusted in each mode. It charges in 1-2 hours from USB power and most modes last all night or longer!