Description: Material: Crafted from wood, this DIY Electric Bubble Machine ensures a sturdy construction experience, allowing children to enjoy building their project with confidence Product Size: With dimensions of 19cmx6cmx6cm, this science experiment model is conveniently sized for small hands, making it easy for kids to assemble and manage during their scientific exploration DIY Bubble Machine Kit: Engage your child's creativity and curiosity with this hands-on DIY bubble machine kit, suitable for young inventors and science enthusiasts Educational STEM Tool: This Handheld Electric Bubble Machine serves as an educational tool that introduces students to STEM concepts through fun and interactive learning experiences Interactive Experience: The DIY Electric Bubble Machine model fosters a family atmosphere by encouraging parent child interaction Specification: Material: Wooden Size Chart: 19cmx6cmx6cm/7.48inchx2.36inchx2.36inch Package Includes: 1 Set DIY Handheld Electric Bubble Machine Science Toy Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.