Children can create a host of structures with this bumper set made from long lasting pinewood.The crate sides slide out to make ramps.There's an assortment of shapes for towers, bridges, castles etc. A super block play range. When you've finished simply rebuild the crate and store the remaining bricks. A beautifully crafted wooden collection of 100 bricks stored in a portable container. The product weight is 20kg in total. For ages 3yrs+.