Spark innovation with this screen-free engineering kit!
Mechanical thinking skills for grades 3-6.
Expand your build options with the Catalyst Booster Bundle: a super-charged version of the original Catalyst Kit.
Catalyst Booster Bundle Includes:
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All of the parts, tools, storage, and challenge cards included in the Electric Motors Catalyst Kit PLUS...
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2 motors with wires, casings, and bushings
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6 LEDs -yellow, red, green, blue, white, and orange
- Additional set of Electric Motors Catalyst wooden parts
- 1 Chassis
- 12 wheels in various sizes
- 2 L-shape wooden connectors
- 2 short wooden connectors
- 2 long wooden connectors
- 1 AA battery pack for LEDs - requires 3 batteries not included
- 1 AAA battery pack for motors - requires 2 batteries not included

Designed for Learning
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Minimal prep, maximum impact: Everything you need is in the box, from batteries to brainstorming paper. Just open and go.
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Screen-free and NGSS-aligned: Students practice engineering design and physical science standards without devices or logins.
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Goal-directed but unscripted: With 10 challenge cards, students get direction without step-by-step instructions, encouraging them to problem-solve and think creatively.

Why Teachers Love It
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Quick builds, lasting engagement: Challenges can be started and completed within a class period, but students are motivated to keep tinkering.
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Authentic engineering: Using the same kinds of materials found in real machines, students experience what it’s like to be inventors, not just builders.
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Reusable and open-ended: The kit is designed to be made, unmade, and remade—again and again.