奇妙な科学 - 海水燃料電池カーキット

• Overall
• Quality
• Value

Customer Rated

Nov 10, 2012

these are great if ya got young kids my boy 12 was like yea big deeel you know typical teenager but when we got it he was like or yea and he had it together in 10 minutes and running on bloody saltwater great idea to get young kids into experiments hobbies the BIG1 alternative energy though 50 yrs late but great stuff

• Overall
• Quality
• Value

Customer Rated

Oct 28, 2012

I just got this KIT today. it was fun assembling this car and i couldn't believe how small is the motor. it was fun running it. it goes on and on for few drops of salt water. i would recommend for any school kids who love science.

• Overall
• Quality
• Value

Certified Buyer Rated

Oct 28, 2012

Slow and steady, it is small 74 mm, nice one for a school project