In fact 11 of them are identical and one is of a different weight.
Marble scale puzzle.
Bepuzzled 30845 marble hanayama cast metal brain teaser puzzle level 4 puzzles for kids adults ages 12 up multicolor 4 9 out of 5 stars 266 9 36 9.
Marble run 3d mechanical puzzles.
Challenging for kids and adults.
Each marble weighs 2 0 grams except for one which is slightly heavier at 2 05 grams.
They are the best engineering toy for kids and adults.
Amazing 3d wooden puzzles all mechanical and fully funcional puzzles.
Note that the unusual marble may be heavier or lighter than the others.
The heavier one is the different marble.
As long as you have the same number of marbles in each side the heavy marble has just enough weight to tip the scale to its side.
Divider scroll down for the solution.
Mensa level brain teaser on mind bluff.
These are not just puzzles they are a fantastic piece of kinetic art.
Should the weighing of 1 5 6 vs 2 7 8 show 1 5 6 to be the heavy side then either 5 or 6 is a different heavy marble or 2 is a light different marble.
But don t think this is just a kids game.
You have 12 marbles.
How would you find the heaviest marble if you are only allowed to weigh the marbles 2 times using the balance scale.
What if we just divide the 8 marbles into 2 groups of 4 each and we put 4 marbles on one pan and 4 marbles on the other.
If they balance then 1 is the different marble.
4 each bucket has enough room for multiple marbles.
You are allowed to use the scales three times if you wish but no more.
Let s start solving this puzzle by keeping it simple.
Weigh 5 against 6.
Because if we know that the marbles on the scale weigh the same then we also know that the heaviest marble is one of the marbles not on the scale so we can.
In other words you get to take 2 measurements or comparisons here.
Get a free 2 off coupon now.
Great for learning how gear transmission work and how potential energy is created and converted into kinetic energy.
Your task is to identify the unusual marble and discard it.
If they balance then 2 is a different light marble.
A balance puzzle or weighing puzzle is a logic puzzle about balancing items often coins to determine which holds a different value by using balance scales a limited number of times.
These differ from puzzles that assign weights to items in that only the relative mass of these items is relevant.
The 12 marbles appear to be identical.
3 you are allowed to use set the scale twice in total.