The discovery of the Gas Laws goes back to 1662. But it needn't take a few centuries to understand the concepts. Despite the deceptive simplicity of our design, you can verify both Boyles' and Charles' Laws accurately. Includes: one syringe; two round wood blocks, one with slot for locking syringe in place; one rectangular block with holes for syringe and thermometer; instructions with sample data. You need weights, calipers, beaker, thermomete, not included.