ThinkFun Rush Hour Special Problem Set for developing the perfect game to develop thinking skills such as logical thinking, problem solving, mathematical thinking skills and developing award-winning educational tools around the world. This expansion kit includes 40 rush hour issues with increased difficulty and taxi on a special car. There are 40 cards each of 40 cards with 4 difficulty levels: INTERMEDIATE, ADVEBCED, EXPERT, GRAND MASTER. Solve even more challenges than a rush hour issue!
Includes Japanese instruction manual (English language not guaranteed). Please be aware of parallel import goods. If the seller is Amazon and CAST JAPAN, it is definitely an official import product. If you buy from other sellers, it may be parallel import goods.

(From Amazon.co.jp)

From the Manufacturer

It might be you to raise the sound.

ThinkFun Proud Rush Hour Expansion Kit #440 Special Problem CardsThere are 4 types of difficulty levels, 10 sheets each.Each is INTERMEDIATE, ADVANCED, EXPERT, GRAND MASTER.Experience the Hijoni Kibisci world!

Includes: 40 Challenge Cards, Car (Yellow Taxi).

Box Size (H x W x D): 3.8 x 7.7 x 0.9 inches (9.6 x 19.5 x 2.2 cm).

Recommended Age: 8 years and up.