A trial set in a cute wooden box. Includes 100 pieces of white wood coupler. Great as a gift or souvenir. Comfortable wooden blocks and couplers with natural materials. The soft wood texture and wood smell make it easy to squeeze and enjoy the sound of this coupler building blocks that are fun to play with. The charm of coupler is that it can be stored high anywhere. I want to stack it high! In response to the childs thoughts, the coupler can be stacked high at any time. The world record is 18 meters from the ground. The secret is in true size. Top quality materials are precisely finished to a 1:3:15 ratio, so they wont fall apart even when stacked high. In addition, since it is made of carefully selected materials, it does not warp or become insane, so you can play it for a long time. Do you want to enjoy the frustrating fun? Karakara Gasha! It is also pleased to take the time to break down the items you created into a shade. Even if you stack it high and collapse, it is lightweight, so you dont have to worry about injuries. It also has a great appeal to the coupler when it comes to collapse.