You can get them at stevespangler.com for 12.99 or something like that
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∙ 2012-06-17 17:24:33The jelly marbles are made and sold by Steve Spangler Science. They are $10 for about 1000 marbles (50 g) and kit. See related link "Jelly Marbles" for more information
He will have 13 blue marbles and 10 green marbles.
12 blue marbles
20% of 50 marbles is 1 fifth of the marbles in the bag. so 50 marbles divided by 5 =10 blue marbles
24
The jelly marbles are made and sold by Steve Spangler Science. They are $10 for about 1000 marbles (50 g) and kit. See related link "Jelly Marbles" for more information
add food coloring to water and put the jelly spheres in and POOF! there you colored jelly marbles
He will have 13 blue marbles and 10 green marbles.
10 Green marbles, 13 Blue marbles.
He has 10 green marbles.
There could be 12 white marbles and 16 red marbles
at least 39 blue marbles
8:6
12 blue marbles
24 red marbles
12 blue marbles
If there are 20 red marbles and 40 blue marbles, the ratio of red to blue is 1 over 2. The number of white marbles does not matter.