Free week and membership

1. Chapter 1 of every course, in every subject and every grade. No account needed. This does not expire.
2. A first topic of every lab: the Numbers problems in Math Lab, the Life science labs in Science Lab, the first four Science Fair experiments, and Pattern Detectives in Brain Gym, with today’s challenge and this week’s mystery. No account needed.
3. Whole places, free in full: Tech explained, Watch & Wonder, Chess Academy, Play Chess, Cube Academy and Fun & Think. No account needed.
4. Competition Prep’s chalkboard examples, one for every problem type, and the Warm-up word problems at every grade from Pre-K to Grade 5, with the hints, the worked solutions and the printable sheet.
5. Everything else, until December 31, 2026, for anyone signed in. No card asked for.

Sign in, and that is all. Every chapter of every course is free until December 31, 2026 — math, reading, science and Life Skills, pre-K to grade 12, for every child on your account.

1. Every chapter of every course, in math, reading, science and Life Skills, pre-K to grade 12.
2. All the worksheets and answer keys.
3. The chapter checks.
4. Competition Prep’s practice problems, mixed sets and classic puzzle films, and the Stretch and Olympiad word problems above the free Warm-up.
5. The rest of every lab: all of Math Lab and Science Lab, every Science Fair experiment, and every Brain Gym room.
6. The lesson helper: Ask about this lesson for you, and hints for your children.

You can stop at any time and it takes about thirty seconds. There is no phone call, no form, and nobody asks you to reconsider.

1. Tap your name at the top right, then Your account.
2. Tap Manage or cancel membership. It is also on the membership page.
3. Stripe’s page opens. Choose to cancel.

You keep everything until the end of the period you have already paid for. If you cancel on day three of a month, you still have the rest of that month.

If you have more than one child, the next chapter explains how to keep their work separate.