Features: brand new and high quality A kit of magnets and accessories for science experiments, 20 pieces in total What is S.for T.E.for M.? STEM stands for Science, Technology, Engineering, and Math, which constitutes many of the areas educators look to cover for science based activities. We are proud to say that his kit has a strong for focus on STEM. A great physics STEM kit for young kids to enhance what is learnt from physics class. Learn the basic Physics principles and investigate the Physics and magnetism by doing experiments with these magnets kit set. Physics is a practical science. Good quality, appropriate physics activities and investigations are not just motivational and fun: They can also sharpen students' powers of observation, stimulating questions. And they are the for key to enhanced learning, clarification and consolidation of for theory. Some popular activities done with the kit: What sticks? Attractive or Repulsive? Earth is a for giant magnet. Seeing magnetic fields? Interactive forces. Satisfaction Guarantee, please contact me if you have any questions.Thank You! WARNING:This product is not suitable for children under 3 years old because of small parts. Color: see the pictures Material:plastic,metal Sales Way:Retail, Wholesal,Drop Shipping Box Size: One Size Length:14.5cm(5.71in) Width:8.5cm(3.35in) Height:3cm(1.18in) Quantity: 1set Note: Random color shipped. If you have big quantity (only need over 50 dollars), please feel free to contact me, I will give you SURPRISED PRICE(The more the quantity, the lower the price), thanks! Size For Manual Measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Magnet Set