Watchly Safety Review

Using a Pumpkin as a Sledgehammer | Mini Max | Science Max

1:28 · 27K views · March 23, 2023

Safe for Most KidsReviewed June 2026

This video is safe for most kids, though the failed pumpkin experiment may frustrate young viewers expecting a successful result. It demonstrates the scientific method by testing a hypothesis about frozen objects and teaches about liquid nitrogen's freezing properties, but the messy conclusion is more humorous than educational.

What Parents Need to Know

The video does a good job showing the scientific process—forming a hypothesis, testing it, and accepting results—using liquid nitrogen to freeze a banana into a hammer and then a pumpkin into a sledgehammer. However, the pumpkin experiment fails and creates a large mess, which might inspire kids to want to try similar freezing experiments. Liquid nitrogen is extremely cold and dangerous if mishandled; it should only be used by adults in controlled settings. The video includes no concerning content like violence or language, but the messy outcome may lead to unrealistic expectations about science experiments.

Talk to Your Kids About

1Why do you think the frozen banana worked as a hammer but the frozen pumpkin didn't?
2What does the host learn from the failed pumpkin experiment? How is that still valuable science?
3What safety rules should someone follow when using liquid nitrogen?
4Can you think of other household objects that might become tools when frozen? Why or why not?

Using a Pumpkin as a Sledgehammer | Mini Max | Science Max

Protected Viewing

What's This Video About?

I'm not sure if a pumpkin makes a very good hammer. You know what DOES makes a good hammer? A Hammer! 🚀NEW VIDEOS EVERY THURSDAY! 🚀 Subscribe to Science Max for more videos! https://bit.ly/3JtDpG8 Have you ever done a science experiment and wondered “What would this be like if it were HUGE?” Welcome to Science Max, the exciting new series that turbocharges all the science experiments you’ve done at home. #ScienceMax #Science

Frequently Asked Questions

What age is this video appropriate for?

This video is recommended for ages 8 and up because it involves a science demonstration with liquid nitrogen, which requires adult supervision. Younger children may not understand the safety risks or the scientific context.

Is liquid nitrogen safe to use at home?

No, liquid nitrogen is extremely cold (around -196 degrees Celsius) and can cause severe frostbite or injury if mishandled. It should only be used by trained adults in a well-ventilated area with proper safety gear.

Does the video show any dangerous behavior?

The video shows an adult using liquid nitrogen safely in a controlled environment. The host wears gloves and protective gear. The experiment itself fails without any safety incidents, so there is no dangerous behavior modeled for children.

What educational value does this video have?

The video teaches about the properties of liquid nitrogen and how freezing can change an object's hardness and functionality. It also demonstrates the scientific method: hypothesis formation, experimentation, and accepting negative results as part of learning.

Why did the pumpkin experiment fail?

The pumpkin likely failed because it is too large and contains more water and air pockets than a banana, making it harder to freeze evenly and achieve the hardness needed to act as a sledgehammer. The host concludes that the answer is no—you cannot turn a pumpkin into a sledgehammer with liquid nitrogen.

Can kids replicate this experiment at home?

No, kids should never attempt to use liquid nitrogen at home. It requires specialized equipment and safety knowledge. Parents can instead discuss the science behind freezing and let children watch the video as a safe alternative.