JECOMPRIS Physics Experiment Pulley Set Classroom Pulley Kit for Boys and Girls Stem Education Tackle System

Features

• Physics experiment pulley–can raise kid’s interest in physics, student can train their brains and learn more about physics,machinery pulley block
• Machinery pulley block–improves ‘ imagination through interactive play, you can also get involved,physics experiment pulley
• Pulley block and holder–children create their own structure, exercise their practical abilit, train observation capability, thinking and analytical skills,physics experiment pulley
• Pulley block and rope–strict quality inspection system ensures you product,physics experiment pulley
• Note: this pulley block does’t have dynamometer and weights,