The Mideer - Archimedes Blocks Push The Envelop is a fun and educational toy that promotes creativity and critical thinking skills. It features unique blocks that can be arranged in different ways, allowing children to experiment and come up with new ideas. Perfect for developing young minds! Features 1) 16 pieces of logs, challenge the balance limit 2) 24 levels, gradually difficult 3) Cooperation/competition for the whole family 4) Small size, put in the bag does not occupy an area 5) Solid pine grain, friction is better 6) No paint, no formaldehyde, leaving only natural wood fragrance 7) 0 burrs do not prick hands, small hands rest assured to grasp