Robotime - Microscope - Mechanical 3D Wooden Puzzle CIS83768 Easy-access ball differential

Easy-access ball differential

The scale detail is beyond anything done before

Features: Nut-shaped tree house

Specifications: Advanced X4 Medium Compound

Width: 94mm

Robotime - Microscope - Mechanical 3D Wooden Puzzle CIS83768 Easy-access ball differentialPut both fun and STEM learning into focus with your own DIY scientific observation tool, the ROKR Microscope. This fully glue less 3D wooden puzzle kit is a working scope that lets you magnify tiny objects at 4x, 10x, and up to 40x using multiple lenses mounted on a revolving nosepiece. Turn on the LED light, place samples on the slide, and use the knob to adjust the lens barrel for sharper focus. Each full turn produces an audible click and raises