Fluorescent/Glow In Dark

Glow In The Dark Heartfrogs will glow for several minutes after being exposed to UV/Blacklight. When in regular lighting they will usually appear to be off white, expose them to UV/Blacklight and they will light-up and glow in many colors.

Flourescent Heartfrogs light up in bright vibrant colors when placed under UV/Blacklight.

Glow In Dark Heartfrogs are generally also Fluorescent.