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I am tough and strong, My name is

Grindburst

480 reviews

A strong and rough bot, made up of 235 building bricks. This toy robot’s distinct design allows for several combinations of squares, circles, triangles, cylinders, and so much more.

Price: $16.95


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Endless Imagination For Your Child

Grindburst is a tough-guy, full of power. He uses one arm as a ground-breaking drill and his other as a sledge hammer. His might is in the details. This kid’s robot becomes a ferocious thunderbird with soaring wings and jet blaster claws, and a high-speed excavator.

Construct - Engage - Create

A World Of Endless Possibilities and Imagination

Every Robotryx toy is made from premium quality material that has been tested by the Consumer Product Safety Commision (CPSC). ROBOTRYX building bricks are made from non-toxic materials and are BPA free. They are durable and easy to clean. Everyone of our robots is made of vibrant colors and includes pieces that are fully jointed and have a wide-range of 360° movement.

The Robotryx robots were created around a STEM learning system. Every one of the robots are designed with the “BUILD - UNDO - REBUILD” model. When your child plays with the Robotryx toys, they are developing new cognitive skills, problem-solving techniques, and new levels of creativity. This mode of play has been proven to reduce stress and anxiety and improve attention span. The Robotryx toys are also designed to sharpen fine motor skills. We know how important it is to keep a child’s interest and curiousity peaked, that is why we created robots that are versatile and exciting. We believe play time should be a time to grow!

Instructions

PDF INSTRUCTIONS

Building your robots with your kids is so simple. Follow the instructions in the PDF file above. Download it and have fun.

480 reviews for Grindburst

  1. Jodi lutz

    Came in good condition

  2. Susan E. Troeger

    We will open on Friday night.

  3. Brianm

    Good product, best non-LEGO brand we’ve tried

  4. Susan Colmenares

    My grandson put this together quickly and had a great time with it. Fun toy!

  5. Kathlee S.

    My determined 6-year-old grandson put the robot aspect of this figure together in an afternoon. He knew of this toy and was excited to get it. I rated it 4 of 5 stars because, although the fittings look like ball joints, they do not facilitate movement. This is a model when constructed, not an action toy.

  6. Bita

    He liked it and I am happy

  7. Megan Mackowiak

    It was too difficult for my 5-year-old, but my spouse and I enjoyed putting it together for him. The arms are not very secure. Other that it’s great.

  8. Joan Samuel

    Good for my 6 and 4 year old boys

  9. Brittany Marlow

    Neat LEGO set that will go into 3 different creations! Easy to understand instructions!

  10. J. Keith

    Our son simply loves these robotryx sets. Three down, and two to go till he can build the GARANTRON which combines all the sets. If you kids like to build, these are great. They are smaller than regular legos, but they encourage fine motor skills.

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