Product Description
Top secret mission incoming… 🕵️✨
The Rex London Secret Agent Lie Detector Kit is the perfect gadget for curious kids who love mysteries, experiments and a little undercover fun.
Build your very own lie detector with no scissors or glue required, then put family and friends to the test (all in good fun, of course). As children assemble the kit, they’ll enjoy a playful introduction to basic electronics, circuits and how gadgets work.
Once built, the detector measures electrical resistance caused by sweat adding a science-inspired twist to spy missions and detective games.
Packed with full instructions and a fun facts booklet, it’s a brilliant gift for inquisitive minds who love hands-on projects and imaginative play.
A little hop, skip and a jump into secret agent adventures. 💛
🧸 Key Features
- DIY lie detector toy kit
- Part of the Secret Agent range
- Easy assembly with no glue or scissors
- Includes full instructions + fun fact booklet
- Introduces basic electronics concepts
- Requires 1 x 9V battery (not included)
- Assembled size: 7.8 x 7.8 x 11.2 cm
- Suitable for ages 8+
- Adult supervision required
- Warning: Small parts / choking hazard
Delivery
Our shipping rates UK mainland, Highlands & Islands:
Under £20 Standard Tracked Delivery: 2 days (Mon–Sat) - £6.50
Standard Tracked Delivery: 2 days (Mon–Sat) - £4.95 FREE OVER £40
Priority Next Day: 1 day (Mon–Sat) - £6.90
All orders £40 or over FREE Standard Delivery: 2 days (Mon–Sat)
All orders are shipped using Royal Mail Tracked services / DPD for larger items.
Northern Ireland & Channel Isles
All orders £15 allow 2-3 working days
Europe:
Under 2 Kg - £20
Over 2 Kg - £28
When shipping to Europe, any customs duties or taxes are the responsibility of the customer.
Refunds & Exchanges
We have a 45-day return policy, which means you have 45 days after receiving your item to request a return. Note over the Christmas period this policy is extended until the 5th January, for orders purchased from the 1st November.
Please get in touch if you have questions or concerns within the 45 days returns window about your specific gifting timelines, in special circumstances we may be able to assist.
To be eligible for a return, your item must be in the same condition that you received it, unused, with tags, and in its original packaging. You will also need the receipt or proof of purchase.
