Features: Qualification Material: Made of safety & healthy plastic material, well resistant to fall and impact, non toxic, smell-free, all surfaces are smooth and well polished, suitable for children to for play, which ensure and worry free for kids, special design and accompany well with kids. Color & Shape Stacking Block Toy: Ergonomic design, smooth edges without burrs, portable and different size square brick for kids’ handhold and worry free to swallow, attract them to explore stacking and space imagination, improve their skills of problem solving, hand-eye coordination. 2-in-1 Building Block & Stacking Toy: The colorful pyramid building block toy combined stacking and building together, contains 15pieces different size bricks to stimulate the attentions of preschool kids, put them into the games and enjoy the building process, exercise their space thinking to create the changeable buildings. Interactive Stacking Block Toy: Safety and interesting design with bright color, free combination building method to stacking the variety towers, attract kids’ concentration, improve their balance & fine motor skills, build a great relationship between parent-child. for Ideal Gift: A good choice for gift which suitable for parties, birthday, holiday, Christmas, Halloween, Thanksgiving and other parties, they can for play with friends parents to increase their social skill,the portable size is also suitable for toddler to kill off the boring flight for time while travelling. Specifications: Material: Plastic Product Dimension: approx. Red square 12.5 x 12.5cm/4.92 x 4.92 inch, blue square 10 x 10cm/3.93 x 3.93 inch Net Weight: approx. 1100g/2.42 lbs Package Includes: 1 Set Changeable Stacking Building Block Toy note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.