Safecracker 40 | Wooden Math Logic Puzzle

✓ In stock, ready to ship

$24.95

Add laser engraving (+$4.00)

Delivery and Shipping

All standard orders normally ship within 1 business day.

Custom orders normally ship within 2 business days.

Descripción

Safecracker 40 is a one-piece, handcrafted wooden math and logic brain teaser for teens and adults. Made from maple with a cherry finish, it delivers a repeatable challenge in a pocketable form.

Goal: Align the wheels so each of the 16 columns equals 40 at the same time.

Size: 4.4 x 4.4 x 0.75 in. Deep laser engraved numbers and text will not fade. Add personalized engraving on the back.

Difficulty: Intermediate. Ideal for solo puzzling, travel, and quick office breaks. Handmade in the USA; see more challenges in the Math Puzzles collection.

Personalize it!

Add a personalized laser engraving to your puzzle or game.

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Payment & Security

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Product Specifications

Dimensions: 4.1 × 4.1 × 0.625
Materials: Wood
Difficulty Level: Intermediate
Age Range: Tweens (9-12 years), Adults (18+ years), Teens (13-18 years), Seniors (65+ years)
Solve Time: 1 hour
Piece Count: 1
What's Included: Safecracker 40 puzzle (1), Instructions and solution sheet (1)
Gift Occasions: Christmas, Stocking Stuffer, Father's Day, Mother's Day
Personalization Available: Yes
Puzzle Type: Math, Logic
Category: Brain Teaser Puzzle
Availability: In Stock

Personalize It!

Did you know we can add a custom laser engraving to every puzzle and game? Well, we can. Add a personal touch to your gift with a name or message.

Personalized laser engraving

a puzzle being laser engraved with personalized text by creative crafthouse

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Frequently Asked Questions

What is Safecracker 40?

A one-piece handcrafted wooden math and logic brain teaser built from rotating wheels, for teens and adults.

What is the goal?

Turn the wheels until all 16 columns add up to 40 at the same time. Only one alignment works.

How does it work?

The puzzle is built from stacked rotating disks printed with numbers. As you rotate them, the column totals change, and the challenge is finding the single position where every column reaches 40 together.

How hard is it and how long does it take?

Intermediate difficulty. Most solvers need around an hour, and you can reset and solve it again.

How does it compare to Safecracker 50?

Safecracker 40 is the more approachable version. Safecracker 50, where the columns must total 50, is the harder sibling in the same family.

What is it made of and how big is it?

Maple with a cherry finish, about 4.4 by 4.4 by 0.75 inches, so it fits in a pocket or bag.

What is included?

The Safecracker 40 puzzle and an instructions and solution sheet.

Is it good for travel or the office?

Yes. It is self-contained, durable, and quiet, which makes it well suited to solo solving, travel, and quick breaks at a desk.

Can I personalize my Safecracker 40?

Yes. Your Safecracker 40 can be personalized with a custom laser engraving. Add a name, date, or short message when you order. See our laser engraving page for details and examples. For a custom logo or artwork, request a quote for custom work.