Features: It is a safe introductory kits for electricity. it helps students to consolidate the knowledge in textbooks and-gain a deeper-understanding of basics-of current. the basic electricity circuit kits can build various kinds of the series and parallel circuits like the basic circuits in the manual. This kits contains instructions,which makes it easier for-you to assemble series and parallel circuits. by setting up simple circuits, it is easier for your child to learn basic electrical-rules and improve your childs hands-on ability, thinking ability, creativity, and improvement. awareness of electricity. This-kit is ideal-for 3rd~4th~5th grade science project,summer camps, science fairs, hands-on center，science clubs, home school unit study,Teaching Aids,Kids gift,and generally for anything related to the STEM-education. All accessories are packed in a plastic storage box. when you are not using it, you can put it in the-box and store it.contain AA-batteries. Wonderful gift,sweet warm gift for friend,students,teacher. Specifications: Material:ABS Plastic Note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item. Package includes: 1 Piece Electricity Circuit Learning-Kit Lab Learning Circuit,Electricity Experiment Set,Building Circuits for Kids Junior Senior High School Science Project Learning Electricity Circuit Building Experiment Series Circuit Parallel Circuit Physics Basics-Kit electricity circuit learning kits