2. Take out 2 sets of the lightest and the heaviest tablets.
3. Tell the child to put his hands palm up.
4. Set the tablets on his both finger tips, then ask the child "Are they the same?"
5. Exchange the tablets several times and ask the child the same questions.
6. Once you know the child can tell the difference, ask the child closing his eyes and repeat step 4 & 5.
7. Take out whole (two) sets of tablets and mix them in two piles.
8. Tell the child that "I am going to show you how to work with tablets. I am going to close my eyes and feel the weight of tablets".
9. Pick up one tablet from each pile and feel them by your finger tips; if they are the same, put them aside.
10. Pick up one tablet from each pile, and feel them; if they are the same, put them next to the previous pair. If not, put them on another side.
11. Proceed to take one tablet on each hand from each pile, feel the weight and divided them in 2 sides.
12. When you finish, check to see if you are right or not.
13. Mix them in 2 piles and let the child do it.