Item#: HR39851
Shake powered calculator. This innovative alternative energy solution calculator employs Faraday`s Principle of Electromagnetic Energy. You can see the energy creation in action through the visible chamber as the magnet slides through the copper coil. 4 3/8" L x 2 1/8" W x 1" H
Available Colors: Green/Silver
IMPRINTING: 3/8" w x 1 1/4" h. Pad printed. Price includes 1 color, 1 location
Payment Terms:T/T
Delivery Time: Estimated 3-19 days
Update time: 10/2/2017 5:33:22 AM