Perform six cool experiments with UV black-light. From writing secret invisible messages to making putty glow under the UV light, this cool kit is sure to entertain your kids for hours! Besides entertainment, this kit isa great way to practice handwriting and fine-motor skills in a fun, new way!
- Spy science and ultraviolet technology combine to create six cool ultraviolet experiments using black light science.
- Conduct UV light experiments on different surfaces and textures!
- This nine piece set includes an ultraviolet laser, highlighter, UV sensitive putty (1. 45 oz. ), 3 sheets each of white and black paper.
- UV light batteries are inaccessible and non-replaceable.
- Recommended for 5 years and up
- Weight: 1 lb