4M Project Kits 4M Diving Submarine (61581)
Sale price
$7.99
Regular price $9.99
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In Stock
4M Project Kits 4M Diving Submarine (61581)
Sale price
$7.99
Regular price $9.99
You Save $2 (20%)
In Stock
Arrives
Free shipping on orders $99+ (oversize items excluded).
Pick up today in Cumming, usually ready in 2 hours.
Chemical Propulsion
Powered by simple baking powder
Compact Design
Measures 4.5 inches overall
Ages 6 Plus
Fun educational water toy
Submerge Into ScienceFascinating chemical reaction water toy
The Diving Submarine brings aquatic science to life using a simple chemical reaction. Powered entirely by household baking powder, this compact 4.5-inch vessel automatically dives and surfaces in water, providing engaging educational fun for kids ages 6 and up.
Explore Aquatic PhysicsClassic water action for young explorers
Experience timeless aquatic play with the classic Diving Submarine. Perfect for tub or pool play, this 4.5-inch science toy requires no batteries or motors—simply load the chamber with baking powder to trigger carbon dioxide gas release, causing the submarine to sink and rise continuously. It serves as an ideal hands-on introduction to buoyancy and basic chemistry for young hobbyists.
Technical DetailsSpecifications for the Diving Submarine
Recommended Age
6+ Years
Dimensions
4.5 Inches
Power Source
Baking Powder
Battery
None Required
Material
Molded Plastic
Included Accessories
Submarine Unit
Key HighlightsFeatures of this diving toy
Chemical ActionReal baking powder power system
Auto CyclingAutomatically submerges and surfaces repeatedly
Battery FreeSafe operation with no electronic parts
Compact Build4.5-inch size ideal for bath and sink play
STEM LearningTeaches buoyancy and basic gas creation concepts
Frequently Asked QuestionsEverything you need to know
How does the Diving Submarine work?
The Diving Submarine relies on standard household baking powder. When water reacts with the baking powder inside the vessel chamber, carbon dioxide gas builds up and releases, altering its buoyancy so it submerges and surfaces automatically.
What age is the Diving Submarine recommended for?
The Diving Submarine is designed for young hobbyists and children ages 6 and up.
Does the Diving Submarine require batteries?
No, the Diving Submarine operates entirely without batteries or motor drives, utilizing simple chemical energy.
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