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The Steve Spangler Science offices will be closed Thursday, November 27th and Friday, November 28th for Thanksgiving.

No shipments will be sent or received on those days and deliveries in transit will take 1 additional day to arrive. Normal business hours will resume Monday, December 1st at 8:30 AM MST. We are sorry for any inconvenience.

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Diving Submarine

This is a classic science toy.

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$3.99

Item #: WSUB-100

Usually ships the next day.

Recommended for age 6 to 7 with adult supervision.

Availability: In stock

This is a new edition of the classic science toy. Just fill the submarine with baking powder and you're ready to make the subs dive and surface over and over. This updated Diving Sub is great for building connections between science and toys or introducing a simple chemical reaction. You'll receive an awesome submarine measuring 112 mm (4.5") as well as directions on exactly how to get the best action out of your sub. Ages 6 and up.

How Does It Work?

Just fill the submarine with the baking powder and you're ready to make the subs dive and surface many times.

What Does It Teach?

Great for building connections between science and toys or introducing a simple chemical reaction.

Customer Reviews

submarine Review by christian

still working on getting it to work right. I guess this was easier when I was a kid! (Posted on 5/19/13)

Baking powder submarine Review by Stephen

i love them but I have one but mine will not recirvice I don't know why if you could tell me the instructions (Posted on 4/8/13)

Mini Diving Submarines Review by Andrew Hunt

These Mini Diving Submarines are great. However, baking soda does not react with water; you need to use baking powder. Just make sure you use fresh baking powder. (Posted on 3/1/13)

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  • Why do I have trouble getting them to dive sometimes?
    They should dive and surface multiple times if you follow the directions. One thing is to make sure that you are using enough baking powder.

Warning - Choking Hazard