Feature:

1. Eco-friendly material and high quality.
2. Very classic and quite interesting.
3. Good for creative thinking and improve both your IQ & EQ.
4. After getting each puzzles solved by yourself, then you will get achievement.
5. It is specially designed to test your brain,helps with practicing concentration and focus.
6. Great gift for adults and children, kids.

Specifics:
Color: Please refer to the picture
Material: Alloy
Recommended age: >6 years old
Size Chart:
Size(Big Key): Approx. 2.8 x 0.4 x 6.3cm/1.10 x 0.16 x 2.48inch
Size(Small Key): Approx. 2.3 x 0.3 x 5.5cm/0.91 x 0.12 x 2.17inch

Package Include:
1 x Keys Lock

Note:
1: Please note diagram is not included.
2: Please allow minor deviation due to manual measurement.
3: The colors may be a little difference for the different monitor display.
4: Make sure that it is suitable for use before buying.

Shipping
1. Free Shipping
2. Location: Leicestershire
3. Shipping time: 3-8 buisness days via Royal Mail or FedEx.

Warranty:
Guarantee Period: 1 Years
Returns & Refunds: Customers can return the goods within 60 days of receipt and process quick refund within one day
24-Hour Support: Provide you with timely after-sale support