One of the classic games of Foxmind brand. During the game, participants are required to acquire the ability of mathematical guessing through observation, experiment, induction and analogy. The ability to find evidence, give proof or cite counterexamples; As well as the ability to express one's thinking process in an orderly way and the ability to discuss and ask questions logically in mathematical language, can activate the rich imagination of participants.

One * * * 80 questions. 1-20 is suitable for 5-year-old children and beginners to be familiar with the rules. The difficulty of 2 1 60 is gradually increasing, and adults will be happy to participate. 6 1-80 is a huge challenge. It is said that if you can pass easily, your IQ will definitely exceed 150.

Suitable age: over 5 years old

Other toys of PS. Foxmind is also worth exploring.

Citiblocs building block

The winning professional households won the 17 toy industry award. Streamlined to the extreme, all the building blocks are one size and one shape, but there are infinite possibilities. There is no external force of snap or magnet, only spatial imagination and balance under the action of gravity.

The research published by Julian Stanley and others in the journal Nature 20 16 shows that early space ability can better reflect children's future development potential than standardized tests such as SAT.

Of course, it is also an excellent tool for babies to learn to count and know 10.

Suitable age: over 3 years old