Jofuni Professional Low Noise Rock Tumbler Machine, Rock Polishing Machine Kit with Noise Reduction Cover for Kids, Adults & Rock Collector, 3-Speed Motor & 9-Day Timer, Geology Hobby Toy Gif 【Dual Mute Design】Our rock tumbler kit replaces the plastic drum with a rubber drum, reducing noise generation at its source. Coupled with our exclusive soundproof housing effectively minimizes noise transmission....
BRIO Builder Creative Construction Set – STEM Building, Learning, Educational Toys For Ages 3 Years Up STEM CONSTRUCTION TOYS – Use your imagination and create your own toy creations with the BRIO Builder Creative Set – the perfect STEM construction toy to challenge the imagination of budding engineers. The BRIO Builder Creative Set expands your BRIO Builder system with over...
Stirling Engine Kit – Mini Hot Air Stirling Engine Motor Model with LED Light, Steam Engine Building Kit for Adults & Students, Educational Science Experiment Toy, Electricity Generator for Ages 18+ INNOVATIVE BALANCED DESIGN: Features a unique balance-style structure for smooth operation; powered by high-grade alcohol to generate electricity and illuminate the included LED HIGH-QUALITY METAL CONSTRUCTION: Made from durable...