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Building Kits

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 (6 customer reviews)

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 (2 customer reviews)

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)

Captain ROAM-E-O

Build a cute mars rover companion featuring 6-wheel mechanical suspension and 4-wheel drive that runs on solar power!

Item#: 16461 Age: 8+

Brush Robot 4M Kit

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

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

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+

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+

Tin Can Robot 4M Kit

You don’t think recycling is cool? Get a look at this, we’re sure you’ll change your mind!

Item#: 12259 Age: 8+
5 star rating (3 customer reviews)

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)

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)

Electromagnet Kit

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

Item#: 14852 Age: 13+

Air Power Racer Kit

Build a super-fast racing car that runs entirely on air propulsion! Great introduction to alternative energy sources and a ton of fun to build and play with!

Item#: 15924 Age: 10+

Magformers - 14pc Set

Build amazing designs using intelligent magnet technology with this set!

Item#: 14006 Age: 5+

Sands Alive! Glow Lunar Landing

Kinetic, moldable, super soft sand that sticks to itself to let you create incredible structures - the sand in this particular kit glows in the dark, and the kit includes fun lunar landing-themed molds and accessories, along with two different UV light devices

Item#: 16201 Age: 3+

Gravitrax - Expansion Building Set

The Gravitrax Building Expansion Set offers over 25 additional elements to expand your track vertically, from height tiles to vortexes, cannons, splashes, and more

Item#: 16679 Age: 8+

Magformers Inspire Set - 30pc

High-quality durable magnetic design kit including 30 excitingly colored pastel pieces and a full-color idea booklet! Makes an excellent gift for boys and girls alike!

Item#: 16042 Age: 3+

MaBoRun - Amazing Combo

The Amazing 2-in-1 Combo MaBoRun is equipped with 2 standard-size MaBoRuns that combine into a single exciting mega-track, featuring the best tracks and obstacles from the series, incudling the twin stair coneyor belt, and the marble catapult, both of which give the marbles the energy and velocity to make it through a huge run filled with twists, turns, drops, and traps!

Item#: 16068 Age: 6+
4.5 star rating (2 customer reviews)

MuscleWires Monster Moving Hand Kit

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

Item#: 14905 Age: 12+

Solar Power Kit

Discover how solar cells make electricity with this awesome kit!

Item#: 13921 Age: 8+
5 star rating (2 customer reviews)

Action & Reaction - Starter Set - Marble Run Kit

A truly unique science kit for discovering the principles of physics in an easy and fun way!

Item#: 16845 Age: 6+

Mechanics Lab - Cranes - Motorized Construction Models Kit

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

Item#: 16843 Age: 8+

Magnetic Levitation Express

This incredible experiment kit explores the science behind cutting-edge magnetic levitation transportation as kids build a scale-model maglev train and track

Item#: 16462 Age: 8+

Wind Power Kit v2.0

Explore the wonders of wind power with this amazing kit!

Item#: 13916 Age: 8+
5 star rating (1 customer reviews)

Physics Workshop Kit

This science kit is an essential introduction to physics knowledge!

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

Remote Control Machines Kit

Command robotic creations with this cool construction kit!

Item#: 13919 Age: 8+
5 star rating (1 customer reviews)

Physics Solar Workshop Kit v2

Learn how solar cells transform light into electrical energy with this great kit!

Item#: 11367 Age: 8+
5 star rating (1 customer reviews)

Action & Reaction - Full Set - Marble Run Kit

A science lab packed with special pieces and accessories offering lots of playing options where kids can experiment with gravity, forces and levers.

Item#: 16846 Age: 6+

Power House Kit v2.0

Build a model green house and 9 other green energy-related devices with this great kit!

Item#: 13099 Age: 10+
5 star rating (1 customer reviews)

Physics Pro Kit

This advanced physics kit is perfect for older children already versed in physics knowledge!

Item#: 11934 Age: 10+
5 star rating (1 customer reviews)

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Meccano Super Construction Set - 638 Pieces

This SUPER Erector Construction set is one of the best you'll find anywhere!

Item#: 13333 Age: 10+
5 star rating (8 customer reviews)

FREE SHIPPING

Magformers Math Activity Set - 124pc

Math and magnetic magic combine in this intelligent magnetic construction set that teaches basic mathematical concepts using Magformers pieces as visual aid!

Item#: 16041 Age: 3+

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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.