Spy Labs | Secret Message Tools outdoor or bring it out into

or bring it out into nature with you and observe the microscopic world anytime

Learn the science of water filtration with this fun STEM kit

you'll discover that magic is all about science

blow super bubbles and more in this beginners science kit

47 inches long

Spy Labs | Secret Message Tools outdoor or bring it out intoAs a detective, you need the right equipment for your investigations, including tools for writing and uncovering secret messages. Exchange confidential messages with your fellow agent using disappearing and reappearing ink that only the two of you can read! Using either of the two secret pens kyou can write a message that, once dry, becomes invisible. The other pen will not only reveal the information, but you can also use it to send your reply. Ages