Ball And Ring, Demonstrating Thermal Expansion Chain

The Ball And Ring demonstrator is a unique product that showcases thermal expansion and chain reactions, helping students understand the concept of thermal expansion by demonstrating the expansion of the ball and ring when heated. The chain expansion is also demonstrated by the expansion of the chain that connects the ball and ring. This product is for educational purposes and can be used in classrooms, labs, or at home, providing an interactive and engaging way to learn about physics and STEM concepts.

---

Product Specifications

Product Name	Ball And Ring
Demonstrates	Thermal Expansion, Chain Expansion
Materials	Brass (Ball and Ring), Steel (Chain)
Ball Diameter	20 mm
Ring Inner Diameter	30 mm
Weight	185 gr
Packaging	Individual packaging

---

Applications and Benefits

• For educational purposes, such as classrooms, labs, or at home, providing an interactive and engaging way to learn about physics and STEM concepts
• Helps students understand physics and STEM concepts, including thermal expansion, chain reactions, and heat transfer
• for science teachers, students studying thermal expansion, physics enthusiasts, STEM educators, science museums, science centers, and home-schooling parents

---

Key Features and Benefits

• Demonstrates thermal expansion and chain reactions, providing a unique and interactive way to learn about physics and STEM concepts
• Compact and easy to use, making it for classrooms, labs, or at home
• Made of durable materials, including brass and steel, ensuring longevity and reliability

---

Caution:

This product involves heat. Please follow safety instructions carefully and use with adult supervision.

Bronze Metal Plates for Science Experiments

Explore the properties of bronze using these bronze metal plates. These metal plates are perfect for welding and soldering experiments, and for learning about the physical and chemical properties of bronze. A single metal strip can be used as an electrode for assembling voltaic cells or in various other chemical or electricity experiments. Each metal strip measures 125 x 20mm and is stamped with a 2-letter code (BZ) to identify the metal.

---

Product Specifications

Dimensions	125 x 20 mm (L x W)
Composition	90% Copper, 10% Tin
Identification Code	Stamped with “BZ”

---

Applications and Benefits:

• Science classroom experiments
• Chemistry and physics demonstrations
• Voltaic cell and electrical experiments
• Welding and soldering practice
• Metal collection and identification studies

---

Caution:

Metal electrodes have sharp edges. Handle with care.

Metal Blocks (Density Blocks Set Of 4)

This set of four solid metal blocks—copper, brass, iron, and aluminum—provides a consistent 13 × 13 × 50 mm specimen for precise density, magnetic and material‑identification investigations. The blocks are color‑coded and together weigh 234 g, enabling repeatable measurements in physics, chemistry and materials‑science laboratories.

---

Product Specifications

Material	Copper, Brass, Iron, Aluminum
Dimensions	13 × 13 × 50 mm (millimeters)
Weight	Total set weight 234 g (individual masses vary by metal)
Packaging	Set of 4 blocks
Model/Part Number	P61010
SKU	P61010
Magnetic Property	Iron block attracted to magnet; aluminum block non‑magnetic
Color Identification	Copper – reddish; Brass – yellow; Iron – dark gray; Aluminum – light gray

---

Applications and Benefits:

• Measure and compare the density of different metals using identical dimensions.
• Demonstrate magnetic properties by testing iron versus non‑magnetic aluminum.
• Explore additional physical characteristics such as hardness, acoustic response, and thermal conductivity.
• Support hands‑on laboratory exercises in physics, chemistry, and materials‑science curricula.

---

Key Features and Benefits

• Uniform size (13 × 13 × 50 mm) ensures consistent volume for accurate density calculations.
• Four distinct metals provide a clear contrast in mass and magnetic behavior.
• Durable solid construction allows repeated use over many years.
• Color‑coded identification simplifies visual sorting and rapid setup.

---

Caution:

Handle with care as metal blocks may cause injury if mishandled or dropped. Keep away from small children and pets.

Metal Cylinder Set (6 Pieces) 10 X 40 Mm

This metal cylinder set is designed for science enthusiasts, collectors, or students conducting science experiments. The set includes six metal cylinders made of Zinc, Iron (Chromium Plated), Lead, Copper, Brass, and Aluminum, allowing for easy comparison of density and study of properties. Each cylinder has a diameter of 10 mm and a height of 40 mm, making it for laboratory equipment.

---

Product Specifications

Materials Included:	Zinc, Iron (Chromium Plated), Lead, Copper, Brass, Aluminum
Dimensions:	Diameter: 10 mm, Height: 40 mm
Weight:	146 gr.
Packaging:	6 cilindros

---

Applications and Benefits:

• Science experiments
• Density comparison
• Study of properties
• Laboratory equipment

---

Key Features and Benefits

• metal construction for durability and longevity
• Comes in a set of 6 pieces for a study
• Allows for easy comparison of density and study of properties

---

Caution:

This product contains metal cylinders which may be hazardous if mishandled. Keep out of reach of children and use with caution.

Small Steel Balls, 1/2 Inch

Polished, hardened steel balls with a diameter of 1/2 inch (about 12 millimeters) for mechanics and magnetism experiments. These balls can be used as a substitute for iron filings for studying the phenomenon of magnetic fields, as they form clusters and chains between unlike poles of magnets. Made of polished, hardened spheres.

---

Product Specifications

Diameter	1/2 inch (about 12 millimeters)
Material	Polished, hardened steel
Uses	Mechanics and magnetism experiments, substitute for iron filings for studying magnetic fields

Note:

All dimensions listed are approximate and for general reference only. These products are not manufactured to scientific or precision-grade tolerances. Actual dimensions may vary up to ±5% from stated specifications due to manufacturing processes and environmental conditions. If your application requires exact measurements, please verify dimensions prior to buy.

---

Applications and Benefits:

• Mechanics and physics enthusiasts
• Science teachers and students
• Magnetism experimenters
• Individuals interested in studying magnetic fields
• People looking for a substitute for iron filings
• Anyone looking for high-quality, polished steel balls

---

Caution:

These steel balls are small and can pose a choking hazard. Keep out of reach of children and use with caution during experiments. Do not use near magnetic-sensitive electronics without proper shielding.

 

Steel Balls, 3/4" Diameter

 

Steel Balls 3/4" Diameter are small steel balls with a diameter of 3/4 inch (about 18 millimeters) that are commonly used in mechanics and magnetism experiments. These balls are a great substitute for iron filings when studying the phenomenon of magnetic fields, as they form clusters and chains between unlike poles of magnets. Made of polished, hardened spheres, these steel balls are durable and long-lasting. If you're looking for an interesting addition to your experiments or just need some high-quality steel balls, Steel Balls 3/4" Diameter are a great choice.

 

---

 

Product Specifications

 
   
     
       
       
     
     
       
       
     
     
       
       
     
     
       
       
     
   
 

Product Name	Steel Balls 3/4" Diameter
Material	Steel
Diameter	3/4" (approx. 18mm)
Usage	Mechanics and magnetism experiments, magnetic field demonstrations, substitute for iron filings

 

Note:

 

All dimensions listed are approximate and for general reference only. These products are not manufactured to scientific or precision-grade tolerances. Actual dimensions may vary up to ±5% from stated specifications due to manufacturing processes and environmental conditions. If your application requires exact measurements, please verify dimensions prior to buy.

 

---

 

Applications and Benefits:

 

   
• Mechanics and engineering students

   
• Science enthusiasts

   
• Teachers and educators

   
• Research laboratories

   
• DIY enthusiasts

   
• Magnetism experimenters

 

 

---

 

Caution:

 
 

These steel balls are small, dense, and may pose a choking hazard or cause injury if misused. Keep away from children and use appropriate safety measures during experiments involving impact, magnetism, or motion.