• Contains 48 Tetris pieces in 4 different colors, 1 balance base plate, 1 base, and 22 cards. Sufficient number of balance toys to meet children's needs. • Safe material, non-toxic and odorless, wear-resistant and shockproof. The toy is smooth and burr-free, safe for children. • Stacking game: place the base on the shelf, draw cards at random, and follow the instructions. The first side to drop the blocks fails. • Helps children recognize colors and shapes, develop imagination, creativity, fine motor skills, usability, thinking, and problem-solving skills. • Ideal for family games and parties, requires patience and attention. Keeps children busy and entertained for hours. Excellent holiday gift, rewards, everyday toys, and Christmas gift.