13 years & up

Showing 13–24 of 74 results

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  Creative Doodling Robot Kit-UMI-2454

  11-12 years
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  DIY Creative Solar Powered Boat Metal and Plastic Rowing Assembling Toy-UMI-2415

  11-12 years
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  DIY Mini Handmade Solar Plane Robot Toy-UMI-2411

  11-12 years
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  DIY Pumping Unit Model-UMI-2583

  11-12 years
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  diy science stem steam learning toy plastic magnetic building blocks & model -UMI-2548

  11-12 years
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  Four in One Space Rover Satellite Science Experiment Puzzle Toy-UMI-2444

  11-12 years
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  hot air stirling engine experiment model free piston moteur stirling heat-UMI-2587

  11-12 years
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  Hot Air Stirling Engine Motor Model-UMI-2601

  11-12 years
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  Infinite Creative Space Alpinia Physics Weather Station Model-UMI-2412

  11-12 years
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  Kids Vacuum Cleaner Pretend Play Robot Sweeper Working Cleaning Tools Set-UMI-2460

  11-12 years
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  Low Temperature Mini Air Stirling Engine Motor Model-UMI-2599

  11-12 years
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  Low Temperature Mini Air Stirling Engine Motor Model-UMI-2602

  11-12 years