Practical design and technology: mechanical construction
Written for 11 to 13 year-olds 'Practical Design & Technology' is a series that shows children how to make toys and gadgets that work. Each of the books in the series encourages analysis, design and planning, key components in design and technology studies.
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.