Best in 7 days
Pay in installments of $3.00 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Thames & Kosmos Spy Labs: Invisible Ink Pen and UV Light for Ages 8+As a detective, you always need the right tools when you are on the hunt for evidence or reading secret messages. Ultraviolet light helps you uncover many hidden clues. Exchange top secret info with your friends and fellow agents using this high tech device. The pen uses a special ink that only becomes visible under ultraviolet light, like the one emitted by the flashlight on its opposite end. You can also use the UV light to find other objects and
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
Discover Niche Categories That Outsell
Top-Converting Item to Boost Your Average Order
Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.3 ★★★★★
Based on 1705 reviews
Sort
Product Reviews
★★★★★ 5
Great product
Great product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
★★★★★ 5
Fit Mercury 150 saltwater 2 stroke great!
These fit my Mercury 150 perfect. Took it out for a test run and engine ran great with no overheating issues.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2025
★★★★★ 5
Work’s okay
They work ok, as expected
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2025
★★★★★ 5
Just as good as OEM
Exactly what I expected...
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 9, 2025
★★★★★ 5
Fit perfectly
Truly impressive, bought these and a set from a us boat supplier a thermostat made in the USA . They came with the gasket separate . I could not figure out how to put it together . I used these in my mercury optimax 135 hp . They fit perfectly and appear to be working great at a quarter the cost .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 29, 2024
recommand products
Movado Bold Evolution Quartz Men's Watch 3601083
183.00
0.10TDW PPF Diamond Curved V Pendant Necklace in 10K Yellow Gold
527.00
Movado Bold Evolution 2.0 Quartz Men's Watch 3601087
256.50
14K Yellow Gold Diamond Engagement Ring with 0.33 Total Diamond Weight
521.00
10K Yellow Gold Diamond Fashion Earrings with Round Cut Stones
126.95