Brain training

24 Little door
Delivered between Thu, 26.11. and Wed, 30.12.9 items ordered
Free shipping starting at 50.–

At a Glance

  • Daily Brain Teasers

    Behind 24 doors, the calendar offers various brain teasers such as logic exercises, word association puzzles, and spatial reasoning tasks.

  • Tailored for Adults

    The calendar is written in German and is designed for adult beginners as well as advanced thinkers.

  • Practical Everyday Tips

    The product includes additional advice from Romy Oswald to support mental performance in daily life.

In Detail

30-day right of return if unopened
24 Months Warranty (Bring-in)

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