Hello! Here you can find the solutions to the puzzles, and see how well you have done!

For more brain games, check out the Cognitron Challenge!

These are the puzzles from 1 to 4. In this game four objects have been placed in different combinations on the seesaws, and you had to identify the object that weights the most.

1) The heaviest object is the **star**

2) The heaviest object is the **oval**

3) The heaviest object is the **oval**

4) The heaviest object is the **circle**

These are the puzzles from 5 to 8. In this game you have to work out the minimum number of moves required to arrange the beads into the correct configuration. The rules were: you can only move one bead at the time, by sliding it on/off the ends of branches.

5)The minimum required is **5 moves**.

6)The minimum required is **9 moves**.

7)The minimum required is **9 moves**.

8)The minimum required is **13 moves**.

These are the puzzles from 9 to 12. In this game you have to work out the minimum number of moves required to navigate the Seeker (S) into the target square (X). Once S or B are moved, they slide until they hid an edge, a black square, or each other, and you can only move one piece at a time.

9)The minimum required is **6 moves**.

10)The minimum required is **9 moves**.

11)The minimum required is **8 moves**.

12)The minimum required is **11 moves**.

These are the puzzles from 13 to 16. In this game you have to generate the number on the calculator screen in as few calculations steps as possible, where some of the number and operator buttons are missing.

13)The minimum required is **1 calculations**.

14)The minimum required is **1 calculations**.

15)The minimum required is **3 calculations**.

16)The minimum required is **2 calculations**.

If you enjoyed these brain games, make sure to check out the Cognitron Challenge!