Estimated Delivery:8 ~ 10 business days, Shipping Fee GBP 0.99 Features: - Using children's balance and concentration.Various ways to play, exercising children's creativity. - Classic Tetris game, exercise children's hand-eye coordination and logical thinking skills. - Smooth surface without burrs.Multiplayer interactive games. Specifications: Product name:Tetris swing stacking high blocks Material:plastic Product weight:200g Package Included:1 * balance blocks +1 * base+ 16 * blocks