ROKR 3D Wooden Puzzle Mechanical Gears Set DIY Assembly Model Kits Wooden Craft Kits Brain Teaser Games Building Set Best Chr  (45 Pieces)

EDUCATIONAL DIY 3D PUZZLE Solving 3d puzzles flexes mental muscles and provides benefits for both children and adultsT his also provides an effective way to develop motor skills,hand-eye coordination and build a better sense of structures. PERFECT DECORATION You will certainly be proud displaying your creation to all of your friends and family!D IY 3D wooden puzzle will be attractive decorations when you put it in the bookcase,display cabinets etc. EXQUISITE WORKMANSHIP Wood is from all-natural trees,even children can safely play with sets without harmful chemicals.B uild your own structure like a true architect or engineer with exquisite workmanship. PACK CONTAINS Beautiful Pack. Pre-cut Wood Sheets. Steel Balls + Accessory Tools. English Instruction Manual. STEP 1 Follow the steps in detailed English instruction manual.A nd you will build the wooden art craft set quickly. STEP 2 Pop out the puzzle piece.P re-cut wooden board will be easy to pop the individual pieces out of the sheets. STEP 3 When the crank is turned by hand,balls will be rolled along the track.Enjoy building your own marble run set!