4M Science Salt - Powered Robot

Put this robot mini vehicle together, then add salty water to the specially designed battery cartridges and off it goes! It’s amazing! This Green Science kit is a fun and hands-on experiment that helps you discover the possibilities of alternate energy resources. With just a drop of salt water your robot will roll along the floor!

• Assembled robot measures approximately 3" H x 2.25" W x 2" L
• Includes: 2 complete charcoal battery kits (each kit can power the robot for approximately 60 minutes of play time), required materials and detailed instructions.
• Not included: screwdriver, table salt and a teaspoon.