Experimentierkasten Naturgesetze

Marsoni

M251S

$23.90

Get it in 3 business days with 1 day shipping. Friday, May 29

Experimentierkasten NaturgesetzeForschen, wie die Groen! Mit Spiel und Spa Alltagsphnomene untersuchen und entdecken, was dahinter steckt. Wie wchst eine Pflanze und kann sie wirklich schwitzen? Vor und zu Beginn der Schulzeit knnen Kinder von 5 bis 8 Jahren mit diesem KOSMOS Experimentierkasten ihren Wissensdurst stillen und mit allen Sinnen lernen. Sie schneiden, falten, beobachten und begreifen, sie bauen einen Konfettimagneten und entdecken, wie aus schwarzer Farbe ein bunter

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Two of our dogs really love this! It caused a lot of barking and chasing and running around trying to grab it. It's really funny to use the remote to control it (and especially make it stop when things get a little too chaotic!) It feels durable even when pawed and bumped into and stepped on. The battery life seems good. I plugged it in overnight to charge so not sure how long it took to charge, but it has lasted quite a while with the dogs playing with it and still doesn't need a charge. It's easy to screw off one side of the ball to plug it in to charge. The size is a little bigger than a tennis ball I would say and has a soft texture.

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Reviewed in the United States on January 6, 2026

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Kathy Stefanski

Natrona Heights, US

★★★★★ 1

It doesn't work.

Color: Blue

The two halves of the ball shell come apart again and again when the dog plays with them. When it is time to recharge the core, it will not take a charge. The dog loves it, but it's unsafe to play with.

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Reviewed in the United States on January 15, 2026

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Mary Roberts

New York, US

★★★★★ 2

It doesn’t do what is supposed to do

Color: Blue

Wasn’t impressed..,all the ball does is vibrate. It doesn’t really bounce

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Reviewed in the United States on March 6, 2026

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Brittany Manos

Chelsea, US

★★★★★ 5

My dogs fight over it

Color: Orange, Color: Orange

Easy to use, durable, and has a great battery love. At first my dogs were curious and unsure about it, now its become one of their favorite toys. They'll stare at it while its being charged and impatiently wait for it so they can have fun again. Perfect size for most breeds.

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Reviewed in the United States on January 3, 2026

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J. Rogers

Grantham, US

★★★★★ 5

This is a great ball for high energy dogs.

Color: Blue

I have a Belgian Malinois, so you can imagine the Maligator jaws. Just opened this today and let her play with it indoors. She LOVES IT. It wore her out and it’s a toy she can really stay focused on without needing me to throw or roll for her. It moves on its own! I supervised her play. I was hoping it was too big to get under the couch, but no. It goes right under it. I had to block off the gap so I didn’t have to keep getting it out from under for her. The outter “shell” is very durable! When she had resting moments, she chewed it pretty good - I could hear the material squeaking against her teeth. I was worried she was tearing it up, but nope! Not a mark on it. It’s easy to set up and operate. It needed charging before play. After hours of play, she was able to somehow unscrew the outter shell. This concerned me bc the smaller, inner ball mechanism came out but I saw it right away and was able to put it back together. So, make sure it’s screwed together tightly (which I thought I had done without breaking it) and check it from time to time to make sure it hasn’t loosened. This is a great ball for her incredible high energy drive. It gives her the work and fun play she needs to get tired, which I love. This toy is on the expensive end, but so far it’s worth it. Now we’ll see how long it lasts!

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Reviewed in the United States on October 7, 2025