Description This physics lab science kit features a pulley block set designed for science classroom experiments, allowing students to easily assemble single pulleys for rope and practice mechanical concepts. The durable pulley block tools ensure a smooth teaching experience and help learners build foundations in force and motion. Features -Color:Black -Material:Plastic, iron -Size:12.50X7.00X1.50cm/4.91X2.75X0.59in -Size:14.50X7.00X3.00cm/5.70X2.75X1.18in -Size:22.50X7.00X1.50cm/8.84X2.75X0.59in -Size:25.00X7.00X1.50cm/9.82X2.75X0.59in -Accurate experiment results: this pulley block lab tools set ensures precise outcomes in physics experiments, enabling students to fully understand mechanical principles with confidence in each classroom session -Effortless operation: the single pulleys for rope feature a convenient design, making them easy for kids and teachers to use during education pulley experiments, fostering hands-on learning and engagement -Durable construction: made of sturdy materials, these pulley block science kit items withstand frequent use in school science kit activities and home experiments -Compact and portable design: the movable pulley and single piece pulley components boast spacesaving construction, allowing teachers to carry and store the entire physics lab equipment easily for lessons anywhere -Comprehensive accessories included: each pulley set provides multiple physics experiment tools and lifting pulley, covering various classroom physics needs for developing wellrounded science skillsPackage list: 2 x Single pulley 1 x Triple Sheave Pulley 1 x Triple Sheave Pulley 1 x Cocard Triple Sheave Pulley 1 x Cocard Triple Sheave Pulley 3 x cable