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da Vinci's Catapult with Braindrops

| Coordination
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When Leonardo da Vinci wasn't busy painting, sculpting or otherwise being brilliant, he spent his free time drawing mechanical throwing machines.

Now you can match wits with da Vinci and put your coordination skills to the test with this build-it-yourself, working re-creation of his 15th Century catapult. With just an hour of assembly time, this bad boy can hurl a small clay ball over four meters, which comes in handy for ambushing pesky kid brothers or protecting cubicles from annoying coworkers.

All pieces are pre-cut and made with natural, untreated wood from sustainable forests.


Okay, we admit it. Spitballs are kind of juvenile and they do very little for your brain cells. But these are not spitballs. These are Braindrops - chemistry wonders that are a major step up from the old-school kind!

For starters, they grow up to 100 times their original size when immersed in water, can be dyed with food coloring or flavored with beverages, and (most awesome of all) can be reused repeatedly. They’re designed for launching, bouncing, throwing, smashing, spitting from a straw, and other delightfully juvenile activities we have yet to think of.

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The Idea

Create a recreation of Leonardo da Vinci's fifteenth-century catapult.

The Brains

Use planning skills to build, & fine motor skills to construct.

The A-Ha

Takes just over an hour to assemble & flings things up to 30 feet.

Brain Health Expert Says

Creating this 3-dimensional structure from a set of instructions stimulates planning skills, as well as the fine motor skills needed to construct the catapult and manipulate it. Even after it's built you can strengthen your visual-spatial skills to aim at targets.

The Brain Coach Says

Da Vinci's Catapult exposes beginning builders to the genius of Leonardo da Vinci and can toss a spitball clear across the room. Comes with everything you need to successfully construct.

Product Details

Brain Category
warningsWARNING: CHOKING HAZARD - Small parts. Not to be used by children under 3 years old. There are sharp points on some parts.
Recommended Age8+
# of Playerssolo

Customer Reviews

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Catapults in general are flawed.


This catapult is two-bow driven and there's no easy means to mark the function between tension (by string draw), load, and takeoff pitch. Sorry, try-hard da Vinci, the ballista is much more accurate.

Circular motion may look like it saves room but it doesn't as it takes up the sweep berth; it also wastes work in torque.?

Great learning tool


I bought this for my brother who is a "big kid". He loved putting it together, but the person who loves playing with it the most is my 4 year old nephew. He figured out how to make adjustments to change the distance the braindrop travels after launch. He has now become an expert at hitting targets. What a great way to teach kids about engineering and physics, even if they don't know that's what they are learning yet.

Perfect for a DIYer...


My 8 year old daughter loves to build things. This was the perfect gift for her. She loved putting it together with her dad. Watching it work afterword was magical for her. The Braindrops are amazing. My kids love to watch them grow. They are perfect ammo for the Catapult! This is such a fun product and perfect for my DIY daughter. It makes a great gift!



I got this for my brother, and it was a good choice. Her really loves it, and when we ran out of ammo he just started using grapes and marshmallows. Be careful not to break it though, as it's not the most sturdy design ever. He still has his, so this year I'm getting my own. Or maybe a shield.
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How To Play

All that you need to put together this functional Catapult is all the items inside the box, a ruler, and a healthy snack to keep your brain fueled. Follow the included instructions, then load 'er up and let 'er rip! Assembly takes about an hour and is a great solo project for older kids, or as a family activity with the younger ones. See what you can fling with da Vinci's Catapult!

Download PDF Rules Of The Game