PROTO Invention Factory: Tallinn's best hands-on science museum

What is PROTO?

PROTO Invention Factory (Proto Leiutistetehas) is an interactive science and technology museum that opened in 2014 in the Noblessner harbour district of Tallinn. The name references the concept of a proto-type and a prototype factory — the museum presents itself as a place where ideas are made physical.

The exhibits cover a range of science, engineering, and technology topics with a particular emphasis on Estonian innovation and the broader digital/engineering culture that has made Estonia disproportionately significant in the tech world (Skype was invented here; so was KaZaA; so was the backbone of what became the digital government stack). Most exhibits are touchable, operable, or interactive in some way.

The museum is openly designed for children aged roughly 5 to 15, but the robotics and computing sections in particular hold genuine interest for adults who work in technology or engineering.

What to see inside

The museum occupies a former industrial building in the Noblessner complex and is spread across two floors. Highlights by section:

Robotics and automation: Working robots that can be programmed by visitors (in simplified form), displays on the history of robotics, and a showcase of Estonian robotics companies’ products. The programmable robot section is consistently popular with children aged 8 and above.

Estonian tech innovation: A section covering the digital state infrastructure, the story of e-Estonia, Skype’s origins, and the broader “digital society” experiment. Probably more interesting to adults than children, though the interactive elements are accessible.

Energy and physics: Classic science museum territory — electricity, magnetism, and mechanical physics demonstrated through hands-on exhibits. The Van de Graaff generator (hair-raising experience) is a reliable crowd pleaser.

Building and construction: A section where children can design and build small structures using various materials. Open-ended, popular with ages 4 to 10.

Sound and light: Exhibits on acoustics, optics, and wave physics. The anechoic chamber (a very quiet room) tends to unsettle adults more than children.

Outdoor innovation trail: In summer, a short outdoor section extends into the Noblessner yard with larger-scale mechanical and engineering exhibits.

Honest assessment

PROTO is a solid, well-maintained interactive science museum. It is not the most ambitious science museum in Europe — London’s Science Museum or Amsterdam’s NEMO would offer more depth and variety. But for a museum of its size and budget, the quality of the interactive content is good, the English-language captioning is comprehensive, and the staff are engaged and helpful.

Children who like building things, programming, or experimenting will find it excellent. Children who primarily like watching screens may find it less compelling.

For adults without children, PROTO is probably an hour well spent if the technology or engineering content interests you. It is not a standalone reason to visit Tallinn; it is an excellent addition to a Noblessner day that primarily centres on the Seaplane Harbour next door.

Practical information for 2026

Entry:

• Adults: €13
• Children (5–17): €11
• Under 5: free
• Family (2+2): €37

There is no student/senior reduced rate; the children’s price applies from age 5.

Opening hours:

• Tuesday–Sunday: 10:00–18:00
• Closed Mondays

Getting there: The same transport options as the Seaplane Harbour (Lennusadam) — they are in the same Noblessner complex, a 5-minute walk apart. Bus 73 from Ülemiste, or 15–20 minutes on foot from the Old Town along the coastal path.

On-site café: A small café in the PROTO building serves drinks and snacks.

Combining PROTO with the Seaplane Harbour

The natural combination is a Noblessner day: Seaplane Harbour (Lennusadam) in the morning, lunch at the harbour café, then PROTO in the early afternoon. For families with children aged 5 to 15, this is probably the best museum day available in Tallinn — two very different but complementary interactive experiences, both in the same harbour complex.

Time allocation for the combination:

• Seaplane Harbour: 2.5 to 3 hours
• Lunch break: 45 minutes
• PROTO: 1.5 to 2 hours
• Total: approximately 5 to 6 hours

This is a full day for most families; consider your children’s stamina before adding anything else.

Seaplane Harbour Maritime Museum tour — next door to PROTO

For rainy days in Tallinn

Both PROTO and the Seaplane Harbour are fully indoors and work well regardless of weather. Tallinn’s weather is genuinely unpredictable even in summer (Baltic maritime climate — a day that starts sunny can turn grey and wet within two hours), and having indoor options that are genuinely excellent rather than merely adequate is valuable.

Other good indoor options for families on a rainy day include Vabamu, the Estonian History Museum on Pikk Street, and the Patarei Prison museum (for older children). See our rainy day Tallinn with kids guide for the full list.

PROTO and the Noblessner neighbourhood

The Noblessner area is worth a wander before or after PROTO. The former submarine factory buildings are being converted into a creative and cultural quarter — art studios, design workshops, a yacht club, and a developing restaurant scene. It is at an earlier stage of development than Telliskivi but has a similar energy.

The harbour basin to the west of the PROTO building is the external component of the Seaplane Harbour museum — the icebreaker and patrol boat can be seen from the outside even without buying a museum ticket.

For the wider Noblessner and Seaplane Harbour district context, see our destination guide.

For family planning across the full Tallinn visit, see our Tallinn with kids family guide.

For the complete museum overview, see our best museums in Tallinn guide.

For wider Noblessner context: the Noblessner and Seaplane Harbour destination guide covers the full harbour development. Our rainy day in Tallinn with kids guide lists PROTO alongside the Seaplane Harbour as the top indoor family options. The Tallinn with kids 3-day itinerary builds a full Noblessner day around PROTO and Lennusadam. For transport, our getting around Tallinn guide covers bus 73 to Lennusadam/Noblessner. The Tallinn Card covers PROTO entry — useful if also visiting Kumu and the Estonian Open Air Museum in the same trip. The Seaplane Harbour maritime museum guide is the essential companion to this guide. After PROTO, the Kalamaja and Telliskivi neighbourhood is a 15-minute walk for afternoon dining at F-hoone or coffee in one of the Telliskivi cafés.