These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.

Let's Doodle

This workshop or lesson activity makes use of a 3-D printing pen, and covers many computational thinking concepts as well as practical and evaluative skills applicable to design and technology.

The teacher guide includes a range of ‘unplugged’ computing activities – no programming is involved. The activities are differentiated for lower and higher-abilities, and a brief description of each is included in a teaching plan that is designed for use during an enrichment day.

Also included are health and safety guides, video tutorials and several pupil worksheets. A simple structure for a full-day workshop is provided.

The 3Doodle is a hot-nozzle plastic printer designed for ‘sketching’ in 3D. Mains power is needed for each 3Doodle, therefore teaching in a lab or workshop is advised.

The printable 3Doodler templates mentioned in the instructions can be found at

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Show health and safety information

Please be aware that resources have been published on the website in the form that they were originally supplied. This means that procedures reflect general practice and standards applicable at the time resources were produced and cannot be assumed to be acceptable today. Website users are fully responsible for ensuring that any activity, including practical work, which they carry out is in accordance with current regulations related to health and safety and that an appropriate risk assessment has been carried out.

Information on the creators and permitted use of this resource is covered by the Category Three Materials - Community Resources section in STEM Learning’s Terms and conditions