Step away from screens with this hidden-block puzzle Visualize the obscured areas and boost spatial reasoning80 levels of addictive, engaging funSafe, solid wood blocksβa toy that builds focus 80 Progressive Challenges For Step-by-Step Brain Training No boring repetitive levels β difficulty grows steadily: 40 double-sided challenge cards = 80 unique puzzles total 5 clear difficulty tiers marked with star ratings: β¨ Beginner | β¨β¨ Advancing | β¨β¨β¨ Skilled | β¨β¨β¨β¨ Expert | β¨β¨β¨β¨β¨ Master Easy starter patterns help kids get familiar with block shapes; advanced levels force kids to visualize hidden covered areas Children must judge which parts are covered by blocks, exercising reverse thinking and spatial imagination Solo play or two-player competitive mode makes family game night full of fun 2 Geometric Shapes, Endless Combinations All puzzles are completed with only two kinds of solid wooden blocks: 8 trapezoid blocks + 8 triangle blocks in classic black & white two-tone Clean angular geometry helps kids recognize planar shapes, symmetry and area matching Blocks fit neatly inside the solid wooden base tray without sliding out of position The black-and-white color scheme strictly matches the pattern cards, eliminating color interference and focusing purely on spatial logic Kids learn area segmentation and visual occlusion long before formal geometry class Premium Safe Beech Wood Construction Child-friendly non-toxic craft for long-lasting play: Solid natural beech wood blocks with smooth sanded edges, no burrs to hurt little hands Water-based eco paint, odor-free, non-toxic and wear-resistant Rectangular wooden base tray keeps blocks contained during play Compact size: 12.3Γ12.3cm, lightweight at only 0.36kg, easy to store or carry in travel bags Sturdy box packaging, perfect for storage and gift wrapping Core Educational Benefits More than just a game β this puzzle builds key academic skills: Spatial Visualization: Train kids to imagine the hidden covered parts of the grid, improving 3D & 2D spatial ability Logical Reasoning: Practice trial-and-error problem solving, cultivate patience and concentration Geometry Cognition: Recognize trapezoids, triangles, symmetry and planar area matching Visual Occlusion Thinking: Learn to judge which blocks are hidden under the surface, the core of spatial reasoning Focus Training: Keep children engaged in quiet independent play away from screens Multiple Play Scenarios Quiet Table Play: Classroom quiet time, homeschool activity, indoor independent play Family Board Game: Take turns solving challenges, race against each other to beat the higher difficulty levels Road Trip Toy: Compact size fits easily into backpacks for car and airplane travel Preschool STEM Center: A staple toy for early childhood math and geometry teaching Brain Teaser For All Ages: Even teens and adults will get stuck on the master-level puzzles Specifications Material: Natural Beech Wood + MDF Pieces: 16 Blocks Puzzle Cards: 40 Double-Sided Cards (80 Challenges) Difficulty: 5 Levels Size: 12.3 Γ 12.3 Γ 2.7 cm Weight: 0.79 lbs / 0.36 kg Age: 3+ Years Package Includes: Puzzle Board, 16 Blocks, 40 Challenge Cards Skills Developed: Spatial Reasoning, Logic, Geometry & Problem-Solving