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Building Kits

Photo of the: Solar DIY Micro Car Kit

Solar DIY Micro Car Kit

A simple and highly affordable miniature solar car kit that includes everything you need (aside from soldering equipment) to build a small but speedy vehicle powered solely by the strength of the sun!

Item#: 16090 Age: 14+
5 star rating (7 customer reviews)

Photo of the: Fan DIY Micro Car Kit

Fan DIY Micro Car Kit

A simple and highly affordable miniature motorized fan car kit that includes everything you need (aside from soldering equipment) to build a small but speedy vehicle propelled by the wind force generated by a fan attached to a small moto

Item#: 16476 Age: 14+
5 star rating (3 customer reviews)

Photo of the: Solar & Battery Fan STEM Kit

Solar & Battery Fan STEM Kit

This kit is an economical introduction to solar cells / photovoltaics (PV), DC motors and how fans work. Included are: solar cell, high-efficiency DC motor, two fan propellers, AA battery holder and on/of switch.

Item#: 16785 Age: 5+
5 star rating (1 customer reviews)

Photo of the: DIY DNA Model

DIY DNA Model

Affordable DNA model for your desk or science classroom.

Item#: 16873 Age: 14+

Photo of the: 3D Solar System Mobile 4M Kit

3D Solar System Mobile 4M Kit

Build and paint your very own designed solar system mobile which revolves and glows in the dark!

Item#: 10410 Age: 5+
4 star rating (4 customer reviews)

Photo of the: MuscleWires Monster Moving Hand Kit

MuscleWires Monster Moving Hand Kit

Build a hand that realistically moves its fingers using shape memory allow technology!

Item#: 14905 Age: 12+

Photo of the: Gravitrax Starter Set - STEM Marble Run with VR

Gravitrax Starter Set - STEM Marble Run with VR

This sophisticated marble run features futuristic hexagon platforms, special pieces like a magnetic cannon, and even VR compatibility!

Item#: 16678 Age: 8+

Photo of the: Mega MaboRun - 236pcs Marble Run Kit

Mega MaboRun - 236pcs Marble Run Kit

The Mega MaboRun Marble Run Kit is an interactive and educational STEM assembly kit that demonstrates dynamic, mechanical, and energy sciences.

Item#: 16815 Age: 6+

Photo of the: Mechanics Lab - Cranes - Motorized Construction Models Kit

Mechanics Lab - Cranes - Motorized Construction Models Kit

An incredible scientific kit for discovering the secrets of engineering and mechanics!

Item#: 16843 Age: 8+

Photo of the: Brush Robot 4M STEM Kit

Brush Robot 4M STEM Kit

Get swept away by this fantastic robot kit that uses vibrations to move!

Item#: 13397 Age: 8+
5 star rating (1 customer reviews)

Photo of the: Physics Workshop Kit

Physics Workshop Kit

This science kit is an essential introduction to physics knowledge!

Item#: 10931 Age: 8+
4 star rating (1 customer reviews)

Photo of the: Electromagnet Science Kit

Electromagnet Science Kit

Use this kit to introduce electromagnetic principles in the classroom setting!

Item#: 14852 Age: 13+

Photo of the: Money Safe 4M Kit

Money Safe 4M Kit

Explore the wonders of spy security by building your own money safe!

Item#: 14898 Age: 8+
5 star rating (1 customer reviews)

Photo of the: MaBoRun - Amazing Combo

MaBoRun - Amazing Combo

The Amazing 2-in-1 Combo MaBoRunfeatures the best tracks and obstacles from the series, including the twin stair conveyor belt and the marble catapult.

Item#: 16068 Age: 6+
5 star rating (3 customer reviews)

Photo of the: MaBoRun - Mini Tornado

MaBoRun - Mini Tornado

The Amazing Tornado Mini MaBoRun features a corkscrew elevator, much like the kind you might find in a Wowie Zowie gumball machine, which conveys marbles to the top of the ramp to begin their descent through a short but exciting track with flips, flops, twists, and jumps!

Item#: 16072 Age: 6+

Photo of the: MaBoRun - Mini Spinning Discs

MaBoRun - Mini Spinning Discs

The Amazing Spinning Discs Mini MaBoRun is miniature Ferris Wheel that operates by the same principle as a water mill, conveying marbles to the top of the ramp to begin their descent through a short but exciting track with spins, slips, and falls!

Item#: 16073 Age: 6+

Photo of the: Magnificent Marble Machine Kit

Magnificent Marble Machine Kit

This completely glueless Magnificent Marble Machine is a Victorian styled automaton – a moving machine – and a marble run, all in one!

Item#: 16897 Age: 8+

Photo of the: Make a Robotic Arm - Wood & Hydraulics Kit

Make a Robotic Arm - Wood & Hydraulics Kit

Wood and hydraulics combine into a robotic kit that can be built in a hour.

Item#: 17013 Age: 12+

Photo of the: Smart Robot 4M Kit

Smart Robot 4M Kit

Build your very own smart robot!

Item#: 12831 Age: 8+
5 star rating (3 customer reviews)

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At xUmp.com, we are passionate about science. We believe in hands-on learning and making science fun. - Anton Skorucak, Physicist and Founder

At xUmp.com you will find a large selection of scientific products carefully curated by real scientists and educators. We sell everything from educational toys, teacher supplies for science classroom, lab equipment, science toys, science fair supplies, classroom equipment, chemistry glassware, chemistry lab equipment, physics demos, electronics supplies, robots, science kits to geeky science gifts.