64pcs Tetra Tower Balance Stacking Block Game, Board Game for 2 Players + Family Game Features: -Easy to play, players take turns placing blocks on platforms and try to create a tower that stays balanced without collapsing. You can play speed games alone or challenge friends and family to see who can build the tallest tower without collapsing. -Made of ABS material, which is non-toxic and tasteless, durable and shockproof. -By using building blocks, children can cultivate their spatial awareness and imagination. They can learn to combine and construct different shapes and structures, which increases their creativity and problem-solving skills. -It has different shapes and colors that attract children's attention and curiosity, meets children's needs in their free time. Specifications: Material: ABS Base size: 6.7*2.7 inch Color: color Valid: 36 months+ Package includes: 64x building blocks 22x cards 1x base