Superworm story related ideas:

Use some playdough to make your own 'Superworm', can you roll the playdough with your hands? Can you make a long worm and a short worm?

Can you make a worm by wrapping wool, string, ribbon etc around a paper template?

We're Going on a Bear Hunt related activities:

Can you help a grown up to make a teddy bear face on some toast? Experiment with different foods to make eyes, nose, ears etc. Can you point to these parts of your face?

Below is an example of some teddy toast:

Can you make your own 'We're going on a Bear Hunt' small world? You could use small play people and have them go through water, mud, grass, snow (shaving foam) etc.

Below is an example:

Can you make your own spider? Here are some examples.