8.35 x 5.91 x 5.2 inches

Make sure this fits by entering your model number. 🧩【5 in 1 STEM projects】The set includes five 3d wooden puzzles ：telescope, piano, colourful light hut, mechanical code case and music box, and we've prepared the tools for you require, are you ready? 🏫【STEM education】By following the steps in the guide, childrens can learn different models structures and understand the scientific principles of how each works.This knowledge will enable the child as a basis of later studies in mathematics, engineering and the like.