Rectangular Blox...

 

Standard Block 90 x 90 x 35 - $2 ea Large Block 120 x 120 x 35 - $2.50 ea
Block - Long 90 x 180 x 35 - $2.50 ea Block - Thick 90 x 90 x 45 - $2 ea
Beam 35 x 35 x 360 - $2.50 ea