Can the square be added to this tightly-fitted puzzle? #educationaltoys #learningtoys

Very interesting symmetrical puzzle, fully train children's observation and concentration! #toys

How to remove the ring stuck in the middle of the bronze knife, cultivate patience and concentration

Crab mouth escape, educational toys, training children's concentration #educationaltoys #puzzle

Unbuttoning educational toys, train children's logical thinking ability #educationaltoys

Can this key be taken out? This is an intelligence test question from Peking University. #education

So wise! It is rumored that this is the toy that gave Cao Cao the biggest headache.

The two keys given by Kangxi to Qianlong were called the Inseparable Keys. #educationaltoys

Brain-burning educational toys, pyramid! #educationaltoys #hands-on-brain #brainteaser

Brain-burning educational toys, remove thorns from the cage! #educationaltoys #hands-on-the-brain

Brain-burning educational toys, starfish lock. #educationaltoys #hands-on-the-brain #Hands-on-brain

This is a willpower toy Chinese knot puzzle.#educationaltoys #puzzle

Those who can remove the red rope have high IQ. Scissors cannot be used, nor can teeth.#toys

The gameplay is to remove this U-shaped ring and carefully observe its structure.#toys

The way to play is to take out the iron spike and observe the whole thing, there is no gap

How to take out the red rope from this big ring that looks like a snail? #educationalpuzzles

Developing the brain and exercising thinking through play,

Let children learn the wisdom of the ancients. This object is called the Square Lock. #toys #puzzle

It is so clever, a classical and unique toy designed, named Bagua Lock. #toys #puzzle

Classic educational toy magic ball! Educational toys #toys

When Yang Guifei was a child, her favorite toy was called the Yangqin Lock. #puzzle

To take the hexagonal star out of the snake's mouth,

It is said that this was Cao Cao's childhood toy, named "Carefully Step by Step".

The ancients were so wise, the bull head buckle is so cleverly designed! #educational toys

The wisdom of the ancients is very cleverly designed, it is really wonderful! #educational toys

The wisdom of the ancients, brain-burning educational toys, crab locks.#educational toys

Love key lock. #educationaltoys #childrentoys

Without using a single nail or rope, wooden blocks can be combined into a solid whole.#toys #chess

The wisdom of the ancients is worth learning. #puzzletoys #puzzle

If you think ancient people were simple, #educationaltoys

Does anyone know how big a person's brain hole can be?

It is rumored that this was a favorite toy of Yang Guifei when she was a child, named Yangqin Lock.

The ancients were so wise, they couldn't let go of the key lock. #educationaltoys #ducktoys

ABC maze lock that stimulates your thinking and develops your brain. #educationaltoys

Can the small triangle be added intact to this puzzle? #educationaltoys #hands-on-brain #thinking

Can you unlock this lock? Brain-burning educational toy magic lock.#educationaltoys #children'stoys

Can you unlock this love lock with male and female symbols? #educationaltoys #hands-on-the-brain

Can you add this small triangle to the already completed puzzle?#educationaltoys #developmental toys

In ancient times, Liu Bei, in order to test the intelligence of his son #ducktoys #ducktoys

This is an ancient lock that Mr. Zhuge Kongming spent forty-nine days creating.#toys #childrenstoys

Can you take out this ring? #Puzzle #Toys #toys

Let your children learn the wisdom of the ancients. #toys #educationaltoys

Exercise hand eye brain coordination and logical thinking skills# Puzzle Toy # Intelligence Release

The 28-inch bicycle bar is also known as a bicycle maze lock. #educational toys #concentration

I have to admire the wisdom of the ancients for designing such a brain burning toy# Puzzle toys

The incredible bronze buckle problem, the ancient wisdom is truly amazing# Puzzle toys

Incredible puzzle, hands-on exploration, eye observation, and brain thinking!#Puzzle Toys# Focus

Incredible classical puzzle toy, horseshoe lock# Puzzle toys # Hands and brains # Thinking training

which can make them smarter as they play with classical toys,

We must let the wisdom of the ancients be passed down, and the wonder of the solution# Puzzle Toys

These two intertwined intelligence clasps. This is a classic thinking test question#Puzzle Toys

Intellectual decoupling tests children's spatial imagination, logical thinking, and concentration

Intelligence unlocking, developing thinking, honing patience, both hands-on and brainpower #toys

Intelligence unlocking develops the brain and exercises children's thinking training through play

Can you unlock the intelligence button# Puzzle toys # Hands and brains # Thinking training