Get ready for the ultimate mystery party with this complete detective kit! You get 30 pieces total - 10 storage bags, 10 mini notebooks, and 10 invisible ink pens. The magic happens with the invisible ink pens - kids can write secret messages that only appear when the LED light on the pen cap illuminates them. How cool is that? The storage bags are perfect for holding clues and evidence, while the notebooks let junior detectives record their findings. This set sparks incredible creativity and imagination as kids create their own mystery games and detective scenarios. Perfect for escape room parties, detective-themed birthdays, classroom activities, or just creative play at home. The components are well-made and sized perfectly for little hands. The invisible ink feature never gets old - watching messages magically appear under the LED light is pure excitement every time. Great for stocking stuffers, goodie bags, or classroom rewards. The set encourages problem-solving skills, teamwork, and creative thinking as kids work together to solve mysteries. Whether you're planning a full detective party or just want some fun activities for rainy days, this kit provides hours of engaging entertainment. Seriously, if you want to throw a party that kids will be talking about for weeks, these detective favors create that perfect mysterious atmosphere that makes every child feel like a real investigator on an important case!