Note: This device does not contain two AA batteries. You need to buy 2 AA batteries to drive the circuit.

This kit contains English instructions, which makes it easy 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 child's familiarity, thinking ability, creativity and improvement. Electricity awareness.

This kit is ideal for 3rd-4th and 5th grade science projects, summer camps, science fairs, hands-on center, science clubs, homeschool unit study, teaching aids, kids gift, and generally anything related to STEM education.

• Material: Plastic, Electronic Component
• Switch Size: (L)X(W)7.1X3.2cm/2.79"X1.25"(appr.)
• Battery Holder Size: (L)X(W)8X2cm/3.14"X0.78"(appr.)
• Bulb Holder Size: (L)X(W)7.1X3.2cm/2.79"X1.25"(appr.)
• Product Size: 15*8.5*5cm
• Weight: 0.2kg
• Condition: 100% Brand New and High Quality

Package Includes:

• 2 X AA Battery Holders
• 2 X Bulb Holders
• 3 X Bulbs
• 1 X Switches
• 6 X Cable
• 1 X Small Wrench
• 1 X Transparent Storage Box