Brick 2 x 3 without Cross Supports

Brick 1 x 3

Ladrillo 1 x 1 x 5 - Espiga Abierta Bloqueada u Espiga Hueca

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

Brick 1 x 2

Brick 1 x 2 x 2 with Inside Stud Holder

Brick 1 x 2 x 2 with Inside Axle Holder

Ladrillo 1 x 1 x 5 - Espiga Sólida

Brick 2 x 8