Features: Made of high quality plasitc. A small tension integrity sculpture, the center of gravity of the upper part of the model makes all chains in tension, thus forming a stable system that seems to overcome gravity. Ideal gift for you and your kids. It can also be a decoration for home and office. Anti-Gravity Building Blocks only,other accessories demo in the picture is not included. Specification: Ability Development: hands-on brain Applicable Age: 6+ Material: Plastic Size: app.11x13x4.5cm/4.33x5.12x1.77in Color: As the pictures shown Quantity: 1 Set Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Contents: 1Set x Anti-Gravity Building Blocks