3-D Magnetic Builders - Starter Set allowing measurements at an optimum

allowing measurements at an optimum position

Input Voltage: 220V

This electroscope used for detecting the presence of electrostatic charge

field coil

heavy metals (as Pb)

3-D Magnetic Builders - Starter Set allowing measurements at an optimumIts easy to create fun 3 D constructions with magnetic builders that connect on every sideat any angle! The plastic shapes have safe, fully contained magnets that are a cinch to connect and only one side of each piece is colored, so kids know which sides attract and which repel! . Set includes 32 pieces in 2 shapes and 4 colors. Square measures 2 3 8". Premium Quality: This item is made of high quality, heavy duty and durable materials. Designed for