DIY Battery Box

Product information: Material: Plastic Model: AA battery box, Square button battery box, Round button battery box Plastic Type: ABS Power: Less than 5v Warning: can not eat Age Range: > 7 years old Certification: 3C Classification: Assemblage Plastic Block Shape: Self-Locking Bricks LED lights and parts are compatible for all brand sets AA battery box size: 68mm x 47mm x 17mm. The connecting cable is approximately 15cm. Round battery box size: 30mm width x 10mm height. The connecting cable is approximately 15cm. Square button battery box size: 51mm x 22mm x 6mm. The connecting cable is approximately 15cm.   Notice: If LED parts have any quality issue within 3 months, free replacement ! They need to be shipped with other set together!!