Set of 5pcs Screw Spring Group The inclusion of a real

The inclusion of a real scorpion adds an element of fascination and curiosity to the specimen

Stackable Design: These bananas plug cables are stackable

4 formers for coils

making it an excellent resource for study and curriculum development

Made from high grade materials to last forever

Set of 5pcs Screw Spring Group The inclusion of a realSet of 5pcs Screw Spring Group 1N 5N 2N 3N 0. 5N For Physics Experiment Education Includes: 1 x 0. 5N Screw Spring, 1 x 1N Screw Spring, 1 x 2N Screw Spring, 1 x 3N Screw Spring, 1 x 5N Screw Spring. Premium Quality: This set is made of high quality and heavy duty springs. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design please contact