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Salt Water Power Robot Science Kit by 4M is a new inspirational green science project for your child's science fair or just mad science fun time. With this salt water experimental kit you can build a robot and power it with a drop of salt water. The robot built with the materials from the Salt Water Power Robot Science Kit will zoom across the ground using only charcoal and salt water. No batteries required for this Educational Toys Planet's cool small science kit for children. And who knows, may be we will be able to power our cars with salt water one day.
