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from 7978 reviews

Bought it as birthday gift so i wont be testing it might update later but everything is just perfect!

Rogelio O'Reilly
4-Speed Manual Gearbox Engineering Kit for Teens

Wooden Marble Run Kit | 3D Mechanical Puzzle

Ligia Vandervort
Wooden Marble Run Kit | 3D Mechanical Puzzle

Very nice set. assembled by my 8 year old son without any problems.

Deandrea Parisian
Wooden Marble Run Kit | 3D Mechanical Puzzle

Very good! It worked perfectly! Just don't reverse the poles. I tested it with potatoes, lemon, vinegar, and water with a lot of salt, and it worked. This is the second kit I've bought. In the photo, it's water with 1 tablespoon full of salt.

Shon Franecki
Potato Battery Clock Science Kit

I bought it for my son, but he hasn't used it yet.

Leif Roob
3D Wooden Burr Puzzle – Interlocking Brain Teaser

I bought the puzzle for my son. Haven't assembled it yet.

Anglea Schuster
3D Wooden Burr Puzzle – Interlocking Brain Teaser

I took it for my son, tried to take it apart, couldn't, gave it to me to take apart - I could, tried to put it back together - couldn't, put it aside for now, will have to put it back together... somehow... 🤔😊🙂😏🤭 someone among us will figure it out, as soon as I took it apart, I explained to him how to put it back together... 🤣

Jay Anderson
3D Wooden Burr Puzzle – Interlocking Brain Teaser

4-Speed Manual Gearbox Engineering Kit for Teens

Scottie Davis
4-Speed Manual Gearbox Engineering Kit for Teens

Received before the expected date. It looks great.

Virgen Grady
Stretchy Buddies™ Stress Relief Toy Pack

Excellent product, recommended and entertaining... I would recommend it 100%.

Willene Rolfson
Wooden Human Anatomy Puzzle for Kids

The box arrived dented, but it was delivered on time. The toy is very good.

Tajuana Walter
Tetra Tower Game — Balance Stacking Challenge

They look good. They will definitely meet my expectations.

Pa Brekke
4-Speed Manual Gearbox Engineering Kit for Teens

Delivery to Kyiv in 14 days.

Hannelore Steuber
STEM Electricity Generator Kit – Build & Generate Real Power

Beautiful.

Graciela Upton
Stretchy Buddies™ Stress Relief Toy Pack

Beautiful little wooden puzzle at a good price, I am very satisfied and thank the seller.

Stephine Pagac
3D Wooden Burr Puzzle – Interlocking Brain Teaser