New and Improved! Now includes an instruction and experiment manual, and is packaged more securely for safe shipping! Excellent for demonstrating Newton's Third Law of Motion and the principle of Conservation of Momentum. The unique design provides for better results and stability. Ages 7+

• 5 Metal Balls Suspended with Nylon String
• Metal Suspension Arms
• Woodgrain Base
• Instruction & Experiment Manual
• Secure Styrofoam Packaging for Safe Shipping

5 Metal Balls Suspended with Nylon StringScience Suppy Solutions