Discover the inner workings of a combination lock used in safes with this kit.
Build a safe and explore how it works.
Did you know
Did you know that each lock on a safe is a puzzle?
Each kit comes with simple step-by-step instructions and fun activity booklet.
Made of durable, recyclable cardboard.
We bring science to life with fun and imaginative toys, and our innovative products are designed to excite children and delight parents.