Tinkercad

From mind to design in minutes.  Tinkercad is a free, easy-to-use app for 3D design, electronics, and coding.  It's used to imagine, design and make anything!

https://www.tinkercad.com/

SENICT

Simple cause and effect activities which can be accessed on a computer. Registration is free.

https://www.ianbean.co.uk/senict-members-resource-portal/