Build 335 experiments with 31 parts. Let your little one have fun learning to build circuits with these colorful Electronic Snap Circuits. The snap circuits toy can be used to make interesting circuits, encouraging educational play that teaches your children about electricity. Design Your Own Circuits and Upgrade Your Kit *This innovative kit contains...

new Product Features ★【Dynamic heart rate monitoring】24 hours of care, Continuously monitor the heart rate, then check its graphical chart by the APP, more accurate data will be given. Of course, you can also turn off the dynamic heart rate function to save power. Set a heart rate range, if your current heart rate...