Science First demonstrate and quantify the effect of force on a mechanical derrick or truss. This basic model provides an interesting introduction to simple bridge building by exploring compressions, tensions and force and equilibrium. Our kit includes: a half-meter knife edge with hooks on both ends; V-shaped clamp; instructions. Warning: Chocking Hazard - Small Parts. Not for children under 3 years.
Science First Simple Truss Demonstration
Was:
$59.38
Now:
$29.69
- SKU:
- U118581
- Condition:
- New
- Availability:
- Free Shipping from the USA. Estimated 2-4 days delivery.