Brick 2 x 4 without Cross Supports

Brick 10 x 20 with Bottom Tubes in Single Row Around Edge, with Dual '+' Cross Supports

Brick 2 x 2 without Inside Supports

Brick 1 x 4 x 3

Brick 1 x 12

Brick 1 x 6

Stein 1 x 1 x 3

Stein 1 x 2 x 5 - Tenons Ouverts Bloqués ou Tenons Creux

Brick 1 x 6 x 5