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Hlavolamy potrápí vaší hlavu i ruce. Hlavolamy posunují hranici trpělivosti a rozvíjí jemnou motoriku a paměť.
SOMA Cube — a classic 3D wooden brain teaser. Assemble 7 pieces into a perfect 3×3×3 cube and many other shapes.
Twelve different animals live in a big forest and rarely see each other — their paths often don't cross. Help them find the right route!
Great Minds series — Isaac Newton brain teaser. Inspired by the famous scientist. Can you solve it?