This puzzle consists of four metal pieces. Seemingly simple, it is deceptively difficult. See if you can solve it, then place on your desk to challenge others. Made of plated metal alloy in a matte silver color. Cross measures 2" square. Solution included.

A puzzle challenge by Jean Claude Constantin that's sure to keep you charged. Try to remove this authentic sparkplug from the wooden box. 4" x 2-1/2" x 1". Solution included.

It may take an infinite amount of time to solve this mind-boggling metal brainteaser by designer Doug Engel. Try to take the four nickel-plated pieces apart then fit them back together. 2-1/2" in diameter. Solution included.

This stylish wooden box looks easy enough to open, but lift the brass hinge and you will find it's much more tricky than you think to access the chamber within. Made of walnut measuring 5" long x 3" wide x 1-3/4" tall. Solution included.

This wooden and brass hinged box may look simple enough, but try to open it. That's the catch. Designed by Doug Engel. The perfect place for hiding important treasures. Made of maple and walnut. Measures 3-1/4" x 2-1/4" x 1-1/2". Solution included.

This wooden wonder combines dovetails and burrs and is just as hard to disassemble as it is to reassemble. Designed by Frans de Vreugd. This item measures 4" x 4". Solution included.

Two wooden knobs turn on the cover, but fail to release the locking mechanism. This collectible box makes a beautiful gift or wonderful hiding spot for valuables. Designed by Jean Claude Constantin. Crafted of walnut and pine inlaid woods. Measures 3-1/4" x 2-1/2" x 6". Solution included.

Bolted Closed is a handheld brainteaser made of wood and metal. Your goal is to remove the metal ball that is bolted into position by the bolt and nut.

• A great gift for people who love brainteasers and trick puzzles
• Brainteaser puzzle measures 3-7/8" x 2-1/4" x 2-1/2"
• Solution included

Nerves Of Steel is a handheld metal brainteaser. Your goal is to remove the spiked ball from its steel chamber.

• The Nerves Of Steel metal brainteaser is made of aluminum
• A great gift for people who love brainteasers and trick puzzles
• Brainteaser puzzle measures 3" x 1"
• Solution included

Golf Ball Dilemma is a handheld wooden brainteaser. Your goal is to remove the white golf ball that is trapped inside the wooden enclosure.

• A great gift for golfers and people who love brainteasers and trick puzzles
• Golf Ball Dilemma is made of monkeypod wood
• Wooden brainteaser puzzle measures 4" x 3" x 3"
• Solution included

Designer Rocky Chiaro has turned a symbol of childhood fun into a truly remarkable metal brainteaser sculpture. Try to take it apart, and then once you've succeeded, put it back together. This beautiful brass finished puzzle measures 2-1/2" x 2-1/2". Solution included.