SET OF ACRYLIC PLASTIC BLOCKS Clear acrylic plastic blocks 20 mm thick all sides surfaces fully polished. The set comprises seven block packed in a velvet case.more...
Pulley Plastic Blocks Consists of free running, well balanced plastic pulleys. Each pulley measures 5 cm dia. and is mounted in an alloy frame with hook at each end. Single Pulley, Double Pulley, Triple Pulley, Quadruple Pulley more...
Clear acrylic plastic blocks 18 mm thick with bottom surface finished in white, to show ray tracks and all other surfaces fully polished. The set corn prises a) Rectangle 75 x 50 mm b) Triangle 90° x 45° x 45° , 75 mm hyp. c) Triangle 60° x 60° x 60° , 57 mm side d) Semi-cimore...