Educational website · independently evaluated

Howtosmile

Free, searchable STEM activities from museums, public media, universities, and educational organisations for families and educators.

Science · Maker & DIY · Parent & educator · GamesAges 5–18Free🌐 1 languages

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About Howtosmile

Howtosmile is a searchable collection of more than 4,000 hands-on STEM activities selected from museums, public media, universities, and educational organisations. Families and educators can filter by age, materials, activity time, and subject.

Age and access

This resource is listed for ages 5–18. It is available as Website, Downloadable and is listed as free. The listed language coverage is English.

What stands out

Large searchable collection of practical STEM activities
Filters make it easier to find an activity for a child or class
Content is curated by established education and science organisations

Evaluation detail

How the score is built

STEM valueExceptional

The library is built around hands-on science and engineering activities.

DiscoveryExceptional

Age, material, time, and topic filters support focused exploration.

TrustStrong

Activities are drawn from museums, public media, universities, and educational organisations.

AccessFree

The official homepage describes the activities as free.

For grown-ups

Parent notes

Preview the materials and time filters before choosing an activity.
Some experiments need adult supervision and household materials.
The stored preview shows the official homepage without a cookie popup, ad overlay, or placeholder image.

Curated shortlists