LEGO Transparent Light Blue Duplo Brick 1 x 2 x 2 with Bottom Tube vs without?

Mlo155

Hello, I just placed an order for LEGO Duplo Brick 1 x 2 x 2 without Bottom Tube ... i didn't even know there WERE also WITH bottom tube ... what's the difference? I have no idea.
thx

brickfeverparts

It is the new mold, LEGO Always find ways to delete some plastic from the bricks.
They work the same, and stick the same to other bricks.

With normal LEGO bricks it can change the possibilities in buidling with them.

Mlo155

thank you