Building blocks for kids - modify/copy

This is a educative construction kit for your kids to play with.

You will receive the items what you can see at the image:
a box with top for the building blocks (empty)
a box containing all the building blocks
20 blocks of which 10 blocks in blue and 10 in pink

16 blocks have a different letter on each side (5 different letters) and 1 image; the other 4 blocks have images on each side. Each block is 1 prim; the empty box is 2 prims and the organized box is 21 prims.

All of these 22 items are modify / copy.