MARSTARKAVY Friction Block Physics - 3 - 18 months

2/6 Holes Friction Blocks Physical and Mechanical Experimental Equipment Wood Block with Hook Physics Teaching Tool Features: This is teaching equipment for physics teaching. Learning more about science technology and physics experiments by our friction blocks. Suitable for home, school, or laboratory use, great physics teaching for teacher, physics experiment equipment. Stimulate students' interest, analysis and observation skills, explore dynamic and so on. Great for classroom teaching, laboratory demonstrations, and science competitions, this friction block enhances hands on learning in physics education. Specifications: Component: Wood 6-Hole Size: about 10x8x4cm/3.94x3.15x1.57'' 2-Hole Size: about 10x4x3cm/3.94x1.57x1.18'' Type: 2 Kinds Optional Package Includes: 1 Pc Friction Block Note: Please allow 1-3cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item.