Build Your Own Combination Lock Kids Science Kit

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$7.99 Standard shipping
3-8 Business Days
$16.99 Express shipping
1-2 Business Days



Keep your money and secrets away from the prying eyes and hands of siblings, friends and parents! Create your very own multipurpose combination lock and learn the ins and outs of lock mechanisms with this easy, educational combination lock kit.

Everything you need to build your own combination lock, including detailed instructions, is supplied. As you build you'll learn how the mechanism behind the lock works, and once your lock is assembled you'll be able to program it with your very own secret code!

Use your device as a standard combination lock, a super-secure coin bank, and a secret message holder!

Keep your valuables safe and your secrets secret with this easy and practical kit! Impressively gift boxed ready for gifting, this combination lock kit is a fun yet educational gift for budding spies and curious apprentice engineers.

  • Easy to assemble
  • Learn about lock mechanisms as you build!
  • Multipurpose!
  • Use as money bank, message holder & more!
  • Comes attractively gift boxed
  • Inclusions: 1 x set of plastic lock mechanisms, 1 x screw, 1 x metal shackle, 1 x sticker set, detailed instructions
  • Dimensions: (of lock when completed) 6 x 12 cms
  • Ages: 5 and above. Not suitable for children under 3 years due to choking hazard

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►  Standard Shipping (3-8 Business Days):
for orders over $99.
$7.99 Flat Rate for orders less than $99. 

►  Express Shipping (1-2 Business Days):
$16.99 Flat Rate.


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$19.99 Flat Rate.

►  Same Day Dispatch
Orders placed before 2pm AEST on a business day are dispatched the same day.

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Return any product within 100 days in its original packaging for a refund.

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