Best STEM Projects for Spring

Banish boredom all Spring with awesome science & art projects

Up to 13% off and free shipping on Spring Activity Packs!

Each crate in our bundles contains all the materials for some seriously fun hands-on learning — plus a magazine with bonus content and activities to go deeper on each theme.

For Ages 9-16+

Learn about hydraulic systems, oxidation, electromagnetism, polymers, and more!

Chemistry (3-Pack) for Ages 14+

  • Fire Lab

    Explore:

    • Light energy
    • Oxidation
    • Flame test
    • Strange Fuels
  • Glow Lab

    Explore:

    • Flourescence
    • Phosphorescence
    • Chemiluminescence
  • Vortex Lab

    Explore:

    • Solubility
    • Diffusion
    • Oxidation-Reduction
$129.85 $119.95 + free shipping!

Shipping now via Ground Shipping to contiguous United States only.

Electronics (3-Pack) for Ages 12+

  • Light-Up Speaker

    Explore:

    • Science of sound
    • Electronics
    • Circuits
  • Hand-Crank Flashlight

    Explore:

    • Electromagnetism
    • Physics
    • Light
  • Geometric Laser Projector

    Explore:

    • Lasers
    • Optics
    • Circuits
$119.85 $109.95 + free shipping!

Science & Art (3-Pack) for Ages 9+

  • Chalkboard & Glow Slime

    Explore:

    • Chemistry
    • Polymers
    • Phosphors
  • Light-Up Wire Art

    Explore:

    • Electroluminescence
    • One line drawings
  • Constellation Messenger Bag

    Explore:

    • Electronics
    • Circuits
    • Astronomy
$87.85 $81.95 + free shipping!

Tinker Crate Ultimate (8-Pack)

  • Walking Robot

    Explore:

    • Robot Engineering
    • Robot Design
    • Robots in Friction
  • Color-Mixing LED Crystal

    Explore:

    • LED circuits
    • Coloring
  • Hydraulic Claw

    Explore:

    • Hydraulic systems
    • Gases and liquids
    • Robotics
  • Ballista

    Explore:

    • Ballista Engineering
    • Physics of Projectiles
    • History of Ballistas
  • Paper Circuits

    Explore:

    • Electronics
    • Crafting
    • LED Circuits
  • Automaton

    Explore:

    • Gravity
    • Mechanisms
  • Glowing Pendulum

    Explore:

    • Chaotic Systems
    • LED Circuits
    • Fluorescence
  • Zoetrope

    Explore:

    • Animation
    • Motion Perception
    • History of Motion Pictures
$199.60 $173.95 + free shipping!

Tinker Crate Classics (5-Pack)

  • Hydraulic Claw

    Explore:

    • Hydraulic systems
    • Gases and liquids
    • Robotics
  • Ballista

    Explore:

    • Ballista Engineering
    • Physics of Projectiles
    • History of Ballistas
  • Zoetrope

    Explore:

    • Animation
    • Motion Perception
    • History of Motion Pictures
  • Automaton

    Explore:

    • Gravity
    • Mechanisms
  • Glowing Pendulum

    Explore:

    • Chaotic Systems
    • LED Circuits
    • Fluorescence
$124.75 $111.95 + free shipping!

For Ages 5-8

Learn about mechanics, angles, reflections, capillary action, and more!

Kiwi Crate Ultimate (8-Pack)

  • Pinball Machine

    Explore:

    • Angles and momentum
    • Geometric Art
    • Math
  • Mechanical Sweeper

    Explore:

    • Mechanics & Building
    • Watercolor Painting
    • Whales
  • Color and Light

    Explore:

    • Rainbow science
    • Color mixing
  • Disk Launchers

    Explore:

    • Physical Science
    • Launcher construction
    • DIY Games
  • Kaleidoscope Play

    Explore:

    • Mirrors & Reflections
    • Symmetry
    • Patterns
  • Capillary Action

    Explore:

    • Science of Trees
    • Capillary Action
    • Watercolor Painting
  • Probability

    Explore:

    • Mechanics & Building
    • Probability & Chance
    • Abstract Art
  • Secret Agent

    Explore:

    • UV light
    • Chemistry
    • Map reading
$199.60 $173.95 + free shipping!

Kiwi Crate Classics (5-Pack)

  • Color and Light

    Explore:

    • Rainbow science
    • Color mixing
  • Disk Launchers

    Explore:

    • Physical Science
    • Launcher construction
    • DIY Games
  • Kaleidoscope Play

    Explore:

    • Mirrors & Reflections
    • Symmetry
    • Patterns
  • Capillary Action

    Explore:

    • Science of Trees
    • Capillary Action
    • Watercolor Painting
  • Probability

    Explore:

    • Mechanics & Building
    • Probability & Chance
    • Abstract Art
$124.75 $111.95 + free shipping!

For Ages 3-4

Learn about patterns, counting, pretend play, reptiles and more!

Koala Crate Ultimate (8-Pack)

  • Glowing Nature

    Explore:

    • Fine Motor Skills
    • Taking Turns
    • Pretend Play
  • Reptiles

    Explore:

    • Patterns
    • Camouflage
    • Reptiles
  • Farm

    Explore:

    • Agriculture
    • Matching
    • Patterns
  • Pirates

    Explore:

    • Imaginative play
    • Pirates
  • Dinosaurs

    Explore:

    • Matching & Patterns
    • Sensory Art
    • Dress-Up & Pretend
  • Music & Rhythm

    Explore:

    • Instruments and sound
    • Movement
  • Storytime

    Explore:

    • Fine Motor Skills
    • Pretend Play
    • Communicating
  • Rainforest

    Explore:

    • Counting & Numbers
    • Fine Motor Skills
    • Pretend Play
$199.60 $173.95 + free shipping!

Koala Crate Classics (5-Pack)

  • Music & Rhythm

    Explore:

    • Instruments and sound
    • Movement
  • Storytime

    Explore:

    • Fine Motor Skills
    • Pretend Play
    • Communicating
  • Farm

    Explore:

    • Agriculture
    • Matching
    • Patterns
  • Pirates

    Explore:

    • Imaginative play
    • Pirates
  • Dinosaurs

    Explore:

    • Matching & Patterns
    • Sensory Art
    • Dress-Up & Pretend
$124.75 $111.95 + free shipping!

Over 10 Million Crates of Fun... And Counting!

Check out #KiwiCo for tons more amazing creativity and serious fun.

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