Price

$10 Flat-rate Shipping NZ wide

Secure payments

Low stock - 3 items left
Inventory on the way

Don't let anyone sneak into your room undetected!

Build your own Intruder Alarm to keep out those pesky brothers & sisters!

And while you are at it, explore how a magnet sets off this cool build-your-own intruder alarm.

It's a great project for exploring how a magnetic switch works in an electric circuit.

Simple construction of the alarm box is required.

Requires 2 x AAA batteries.

Ages 5 and over.

Shipping for orders throughout New Zealand is a flat National rate of $10.

Pickups are Mon - Fri 10am - 5 pm @ 122 Riccarton Road, Christchurch. We will send you an email confirming your order is ready to be collected.

Orders can be picked up at the physical store for free (provided we have stock).

PLEASE NOTE: Shipping prices are in New Zealand Dollars and apply to shipping within New Zealand only. Shipping for NZ is normally 3-5 Working Days, it can take longer at busy shipping times.

Magnetic Alarm

Magnetic Alarm