Kingdom of Play

Dear Impossible Readers,

Did you know that studies estimate nearly 80% of all toys end up in landfills, incinerators, or the ocean, unrecycled? No? Me neither. A UK study showed that the average child owns around 493 toys throughout their childhood, which could fill over 34 wheelie bins of clutter. Furthermore, research indicates that doubling the lifespan of toys through reuse, material recovery, or on-demand production could reduce greenhouse gas emissions per toy by 30-50% by preventing repeated manufacturing cycles. Recycling plastic toys into new printable material has been shown to lower emissions by 3-4 kg of CO₂ per kilogram of plastic compared to using virgin material.

What if we could do that? I would like to call it The Imaginarium. Instead of fitting toy creation into a standard household printer, imagine a specialised device dedicated solely to play. This toy printer would not compete with other tools or furniture. It would integrate more naturally into the child’s environment, both physically and conceptually. Its goal is not efficiency but inspiration. This device produces toys on demand: a rattle for a toddler, a puzzle for a rainy day, or a moving creature for a brief fascination. When the toy is no longer needed, it can be returned to the device, disassembled, and recycled. The toy disappears, but the materials are (mostly) conserved.

The Imaginarium uses various material cartridges, each tailored for a specific type of interaction. Soft toys are crafted from flexible, foam-like materials that resemble plush, making them lightweight, durable, and easy to clean. For infants, some options could include natural, non-toxic substances derived from sources such as cellulose, starches, or algae, which are already utilised in biomedical and food-safe applications. There are even toys that might be edible, eliminating risks during early play. Structural toys like blocks, puzzles, and simple tools are made from durable, baby-safe plastics. While these materials are not edible, they can be fully recycled within the device. They feature precise, snap-fit connections and can be reused multiple times without degradation. More advanced toys often combine printed shells with embedded movement or lighting features, all while avoiding the inclusion of delicate electronics in the manufacturing process.

Movement and interaction rely not on disposable batteries but on a limited number of reusable energy cores. These sealed units are shared among toys and enjoyed repeatedly over many years. Each core contains a solid-state power source with simple actuation or lighting components, all fully enclosed and certified as safe for children. The toy printer does not generate energy. Instead, it beautifully prints objects around these cores, gently embedding them into secure shapes that cannot be easily removed or misused. When a toy is no longer needed, simply return the core to the system to recharge and reuse in new designs. This means a household can get by with just a few energy cores, sharing them across many different toys rather than owning dozens of battery-powered ones.

Much of this system already exists in parts. Recyclable, self-healing polymers are currently under active research. Bio-based, food-safe printable materials are used in medical and laboratory environments. Modular electronics, sealed power units, inductive charging, and digital toy design are all well-established technologies. What still needs to be developed is their integration into a closed domestic cycle that considers toys as temporary expressions rather than permanent possessions.

The challenges are mainly cultural and regulatory. Safety certification must evolve to accommodate reconfigurable objects. Standards are needed for material purity, reuse cycles, and embedded energy modules. Parents would need to trust systems instead of objects. The issue of design also arises. Toys are not neutral; they embody values, behaviours, and stories. Bringing toy manufacturing into the home also transfers responsibility.

Today, toy manufacturing emphasises scale over durability. Items are mass-produced, shipped globally, used briefly, and discarded. In contrast, a domestic toy printer shifts this approach by producing fewer items, reducing shipments, and decreasing plastic waste. Producing toys only as needed and recycling materials and energy afterwards helps reduce waste at both the product level and throughout supply chains. This approach reduces transportation, lowering CO₂ emissions, and reduces manufacturing, resulting in less raw material extraction.

With The Imaginarium, toys are not everlasting. The materials are. Power is. Design is. Play is.

Ctrl + imagination + P,
Yours Possibly

Further Reading

De Angelis, G., Dupont, G., Lucherini, L. and Amstad, E., 2025. Recyclable 3D printable single network granular hydrogels. Biomaterials Science, 13(6), pp.1426-1433.
Goshtasbi, A., Grignaffini, L. and Sadeghi, A., 2025. Bio-inspired 3D printing approach for bonding soft and rigid materials through underextrusion. Scientific reports, 15(1), p.4429.
Jiang, Y., Ng, E.L.L., Han, D.X., Yan, Y., Chan, S.Y., Wang, J. and Chan, B.Q.Y., 2023. Self-Healing polymeric materials and composites for additive manufacturing. Polymers, 15(21), p.4206.
Liu, F., Jiang, J., Zhe, M., Yu, P., Xing, F. and Xiang, Z., 2025. Alginate-based 3D bioprinting strategies for structure–function integrated tissue regeneration. Journal of Materials Chemistry B, 13(40), pp.12765-12811.
Nasiripour, S., Pishbin, F. and Seyyed Ebrahimi, S.A., 2025. 3D Printing of a self-healing, bioactive, and dual-cross-linked polysaccharide-based composite hydrogel as a scaffold for bone tissue engineering. ACS Applied Bio Materials, 8(1), pp.582-599.
Rahman, S.S., Arshad, M., Qureshi, A. and Ullah, A., 2020. Fabrication of a self-healing, 3D printable, and reprocessable biobased elastomer. ACS Applied Materials & Interfaces, 12(46), pp.51927-51939.
Wu, K., Xiao, J., Li, J. and Wang, Y., 2025. 3D Printed Hydrogels for Soft Robotic Applications. Journal of Polymer Materials, 42(2).