John Lewis Movement Detector

Product information

Keep out unwanted intruders! This clever device is ideal for young spies who need to guard top secret stuff. When anyone crosses the beam of the detector's sensors, it sets off a loud alarm to warn them off.
Batteries Included
John Lewis
H7 x W9 x D4cm
Suitable From
8 years
Science and Discovery Toys
Electronics and Construction
Type of Battery
2 x AAA batteries
Not suitable for children under 8 years.



If you’ve changed your mind about keeping your purchase, please return it in its original condition with proof of purchase and we’ll exchange or refund it. Unless faulty, this should be within 35 days of receiving your order. By original condition, we’d expect this to mean that you’ve kept packaging and labels, and that the item is undamaged and unused.

You can return for free in the UK via John Lewis shops, Royal Mail, Collect+ or MyHermes. If you need to arrange collection of large or heavy items, call us on 03456 049 049. For international returns queries, call us on +44 1698 545 454

You’ll find returns information on your delivery note. Exceptions apply to certain products - find out more about our refund policy

Q & As

  • Reduced to clear

Was  £10.00, then  £7.00, then  £5.00, Now  £4.00

Product code :


More than 10 in stock