Explore engaging, hands-on solar system projects using styrofoam balls. This guide compares five top kits that help students and hobbyists assemble accurate, colorful planetary models at home or in the classroom. Each option blends easy assembly with educational features, painting supplies, and display-ready components to support STEM learning and creative thinking.
| Product | Key Features |
|---|---|
| Innconee 36 Solar System Model Project Kit | 14 foam balls, paints, brushes, fishing line, sun card, starry background, hanging nails |
| Ayfjovs Solar System Project Kit, 56PCS | 20 foam balls, pigments, flags, brushes, bamboo sticks, orbit card |
| Innconee 20 Solar System Model Kit with LED Lights | 10 foam balls, background KT board, LED lights, pigments, hanging accessories |
| 64 PCS Solar System Project Kit by Wookidel | 12 foam balls, sun and stars, paints, brushes, sticks, flags, instructions |
| Pllieay 3D Solar System Model Kit | Display box with starry backdrop, mixed foam spheres, paints, brushes, sticks |
Innconee 36 Solar System Model Project Kit

This inclusive kit provides a complete setup for creating a classroom- or home-sized solar system. It includes 14 foam balls in varied sizes, 12 paint colors, 2 brushes, a paint tray, three rolls of fishing line, a sun cardboard, a starry sky background, a colorful light string, and 15 claw nails for hanging. The set includes different ball sizes to reflect planetary scale, enabling a realistic, hands-on assembly. Easy assembly combines painting with mounting, offering a tangible learning experience.
Ayfjovs Solar System Project Kit, 56PCS

The Ayfjovs kit offers a comprehensive set designed for kids and classroom projects. It includes 20 white foam balls in multiple sizes, 12 pigments, 10 toothpick flags, 2 brushes, 12 bamboo sticks, and an orbit card. Children can learn planetary sizes, positions, and orbital concepts while painting and arranging the planets. The high-density polystyrene material is lightweight and easy to paint, making it a durable option for repeated use in learning environments.
Innconee 20 Solar System Model Kit with LED Lights

This complete kit includes 10 foam balls, 12 pigments, 2 brushes, a paint tray, and LED lights to illuminate the model. It also comes with a solar system background KT board, string lights, and adhesive tape to help create a bright, display-ready model. The varying ball sizes reflect planetary scale, and the LED lighting adds a visual dimension that can enhance classroom demonstrations or home showcases.
64 PCS Solar System Project Kit by Wookidel

Wookidel’s kit provides a robust set for ambitious projects. Contents include 7.87 inch foam discs, a sun, 12 foam balls of different shapes, 4 foam stars, 15 bamboo sticks, 15 toothpick flags, 12 colors, 2 brushes, a palette, and instructions. The kit emphasizes space science education with a focus on visualizing planetary sizes and orbits. The durable polystyrene foam is easy to paint and assemble, making it a practical choice for classrooms and home projects alike.
Pllieay 14 Mixed Sized Polystyrene Spheres

This Pllieay kit includes 14 mixed-sized polystyrene spheres ranging from 2.5 cm to 7 cm, with 10 bamboo sticks of 24 cm for building a scale model. The lightweight, paint-ready spheres are ideal for school solar system projects and a variety of craft activities. The set’s emphasis on varied sizes supports accurate visual representation of planetary dimensions and relationships in a hands-on format.
Pllieay Solar System Model Kit with Felt Backdrop

The Pllieay felt backdrop kit provides a space-saving wall display option. It includes mixed-size foam balls, an orbit-focused felt background plate, acrylic colors, and a painting palette. The design supports learning through a visual display and hands-on painting, helping learners associate planetary positions and sizes with a wall-mounted model that doubles as classroom or bedroom decor.
Pllieay 3D Solar System Model

This 3D kit features a starry sky display box and hanging accessories. It emphasizes an engaging, decorative presentation while educating children about the eight planets. The kit includes safe, lightweight foam balls, paints, brushes, and bamboo sticks. The step-by-step assembly is straightforward, making it suitable for parents and educators guiding hands-on astronomy activities.
Buying Guide
Key considerations when choosing a solar system project kit with styrofoam balls include material quality, scale accuracy, and ease of assembly. Look for kits with varied ball sizes to reflect planetary differences and adequate painting supplies for color accuracy. LED lighting or optional backdrops can enhance display value, especially for classroom demonstrations or home decor. Consider the included hanging hardware and fishing line for easy, secure assembly, as well as any orbit or background materials that aid in teaching orbital relationships. Safety and child-friendly materials should be prioritized, including odorless paints and non-toxic components.
- Scale and variety: Do the balls come in multiple sizes to reflect planet dimensions and allow Pluto inclusion if desired?
- Display options: Is there a backdrop, sun, stars, or a display case to showcase the model?
- Educational value: Are orbit cards, background boards, or instructions included to teach positions and orbits?
- Materials and safety: Are paints non-toxic and foam surfaces smooth for easy painting?
- Ease of assembly: Are there step-by-step guides or labeled parts to streamline setup?
In summary, these kits offer a range of options from highly decorative 3D displays to classroom-ready teaching tools. When selecting a kit, prioritize the balance between accurate planetary sizes, engaging visuals, and straightforward assembly to maximize learning outcomes and hands-on enjoyment.