3D Wooden Puzzles Roller Coaster Marble Run Wood Kit Electric Driven Mechanical Model Building DIY Toy Gift For Adults And Kids USD 22.01 / bag /lot 1

DIY Sets Electric Remote Control Garage Door Wooden Model Science Toys Kids STEM Education Creative Kits USD 8.87 / piece /lot 1

Children's Science Technology Small Production Diy Telegraph Machine in the Science Experiment Equipment Stem Education Model USD 6.47 / piece /lot 1

Handheld Mini Magnifier Glass Portable Science Toys For Boy Educational Toy Child Science Scientific Learning Education Hobbies USD 3.84 / piece /lot 3

Children's Science Educational Toys Montessori DIY DC Motor Physical Production Technology Scientific Experimental Equipment

Features：

1. This material does not include two AA batteries, please purchase by yourself.

2. As this series of products are made by hand, the dimensional accuracy cannot be compared with the products produced by the industrialization of machinery. For buyers who require high dimensional accuracy, please take care!

3.This series of scientific small production is not just about making a few structural small making toys. The bigger hope is to provide children with a platform-like foundation, and children can do more on the basis of this small production. Innovative design!

Notes:

Due to the difference between different monitors, the picture may not reflect the actual color of the item.

Please allow slight measurement deviation caused by manual measurement, thank you for your understanding.