"Uncover hidden gems and find sneaky suspects with Thames & Kosmos Spy Labs: Spy Location Tracker! This top-secret gadget uses silent, ultrasonic sound waves to track your target from up to 80 meters away. Perfect for sleuths-in-training, you can use it to bury treasure, mark meeting points, or create your own scavenger hunts. (No need to thank us — it's what we do!)"
