Giagles Grand Piano DIY 3D Wooden Puzzle Model Kit Hand Crank Engraved Vintage Wooden Music Box Fun and Creative Puzzle Craft Kit Brain Teaser and Educational STEM DIY Building Toy

Measurements: Big Piano:10cm*9cm*7cm Small Piano: 7.2cm*3.9cm*6.4cm 3D Assembly Puzzle Build Your Own Wooden Craft Kits, Brain Teaser Gifts for Kids and Adults. A little tough for people under 14 years old. A great holiday project which will fine motor skills, improve handmade ability of your kids. Perfect gift for music box lovers or family & friends As an elegant desk clock, decorates your living room,meeting room, office,study & bedroom. And with the outlook of piano, it’s also a decent gift for Christmas. CAUTION: Children must use it under the adult's tutelage. Some of the wooden blocks maybe sharp, please be careful. No battery