A weekly challenge concerning drawing shapes algorithmically.

Moiré patterns are intriguing interference patterns. Create your own beautiful examples using LOGO!

Create a symmetrical fabric design based on a flower motif - and realise it in Logo.

Can you make a new type of fair die with 14 faces by shaving the corners off a cube?

Build a scaffold out of drinking-straws to support a cup of water

A simple robot to make, plus robots in everyday life to investigate.

Where should runners start the 200m race so that they have all run the same distance by the finish?

What shape and size of drinks mat is best for flipping and catching?

Creating a schedule to cook a meal consisting of two different recipes, plus rice.

Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?

Design and construct a prototype intercooler which will satisfy agreed quality control constraints.

Design and test a paper helicopter. What is the best design?

If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?

My recipe is for 12 cakes - how do I change it if I want to make a different number of cakes?

This is the technology section of stemNRICH - Core.

Is it cheaper to cook a meal from scratch or to buy a ready meal? What difference does the number of people you're cooking for make?

What shape would fit your pens and pencils best? How can you make it?

Many natural systems appear to be in equilibrium until suddenly a critical point is reached, setting up a mudslide or an avalanche or an earthquake. In this project, students will use a simple. . . .

Formulate and investigate a simple mathematical model for the design of a table mat.

What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?