Now you can learn about hydraulics, whilst launching things at the same time with this DIY kit. It's the perfect mix!

Easy to make in about and hour or two, you can learn about levers, gears and simple mechanics as you assemble a hydraulic catapult and some super cool gear linkages! With the push of a syringe, you can set a range of gears into linear and rotational motion!

Inspired by drawings by Leonardo da Vinci, this DIY kit is safe enough to launch popcorn into your mouth, but powerful enough to knock down small block walls. Complete with great instructions and educational material! Made of sturdy, die-cut plywood, you can even paint it too!

Your kit includes: 41 die cut plywood pieces and a MDF base, 26 wooden dowels and spacers, 1 tube of glue, 1 piece of sandpaper, 2 syringes and tubing, 1 pack of soft clay, 1 elastic, 1 plastic cup and 36 rubber o-rings.

A unique intergenerational kit for parents, grandparents and children to explore science together. It was awarded "2016 Toy of the Year" for building kits by Creative Child Magazine!

What people are saying:

"The parts are well-machined and fit together nicely. I found the best ammo to be aluminium foil balls!"
"My 10 year old grandson loved this, I bought ping pong balls to shoot and they work great!"
"A well-designed delightful toy, my 11 year old son was able to put it together himself, it looks cool as a bedroom decoration when not in use."

Recommended for ages 8 and up.

Peter and Anne-Maree
Hello from Peter & Anne-Maree

CoolThings Australia is a Australian owned & operated small business located in Launceston, Tasmania.

The CoolThings Australia mission is to help you be the coolest gift giver in your family and circle of friends.

You know the feeling you get when you give a gift and the response is "That's so cool!" - that is what its all about!

CoolThings Australia was started in 2003 by Peter and Anne-Maree and is still led by them to this day. Their purpose in business is to be givers themselves and they support multiple organisations close to their hearts locally, nationally and internationally.

Both Peter and Anne-Maree and their team of cool giftologists thankyou for your support and are looking forward to serving you today!

Hydraulic Gearbot Reviews

Joan - Verified Customer

24 December

(5)

My nephew absolutely loved the construction and abs had so much fun catapulting anything he could find!

Steph - Reviewer

31 August

(5)

Great model, solid and good to build and awesome that it's based around the Leonardo da Vinci's amazing inventions

Katherine Blunt - Reviewer

18 August

(5)

Great product, easy site to navigate, love the video demos and easy to purchase (too easy at times!!)

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(5) Chris & Kerry - Verified Customer

My granddaughters absolutely loved the pillow cases they received. They were straight to colouring them and were so excited they take them every where they stay. ...

(5) Margaret Baker-Crooks - Verified Customer

I have given these puzzles to kids and adults alike. These are a great gift for any age....

(5) Rick - Verified Customer

The surprise on the recipients face said it all. Speedy delivery. Kept up to date whilst in transit It’s almost unlimited in all the cool things (pun intended) you can get, especially for those who like gifts that are unique I’m adding an extra star, even though I’m limited to 5...

(5) Rick - Verified Customer

The surprise on the recipients face said it all. Speedy delivery. Kept up to date whilst in transit It’s almost unlimited in all the cool things (pun intended) you can get, especially for those who like gifts that are unique I’m adding an extra star, even though I’m limited to 5...

(5) Sue - Verified Customer

I wanted 3 small cool gifts for my grandsons..so happy, they arrived on time. Hope the grandies love them....

(5) Janne - Verified Customer

Great service fast delivery fab game...

(5) neens - Verified Customer

I needed to make a last minute present for the family 'Santa re-gift' group which was a slightly stressful situation!! I had a look at coolthings and was so impressed with all the interesting items available. I made my purchase & received a confirmation email straight away & my order was received the next day. Thanks so much, great ...

(5) Joanne - Verified Customer

Fun stress reliever by pulling mice through holes in cheese. Stretchy. Speedy delivery. Great communication. Would buy again from this store. Many unique gifts to choose from....

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