RIWI® Giant Building Blocks
- Less screen time, more real play
- Giant blocks for forts, castles & obstacle courses
- Sparks imagination, movement & playtime together
- Rebuild it every day – endless new adventures
✓ 30-day returns ✓ Free shipping ✓ Delivered in 2–5 days
Find your perfect RIWI® set.
All sets are compatible – grow any time. More blocks, bigger adventures.
Starter Set
The perfect intro – big blocks, endless fun from day one.
- Perfect for:
- 1 child
- Small space
- Perfect gift
Family Set
Real caves, forts & towers – big enough to crawl inside.
- Perfect for:
- 1–3 kids
- Living room
- Daily play
Giant Set
For kids who dream big – and build even bigger.
- Perfect for:
- 2–4 kids
- Large playroom
- Siblings
Mega Set
For playgroups, daycares and maximum building fun.
- Perfect for:
- 4+ kids
- Playgroup
- Daycare
Our #1 pick for most homes: The 24-Block Family Set is our best seller – big enough for real forts and towers, easy to store when playtime's over. For playgroups, daycares and larger spaces, the 48-Block Mega Set is the move.
Thousands of families. One obsession.
"Best gift we've ever bought for our 4-year-old."
He plays with these every single day — and we've had them for months. No more fighting over screen time. He just disappears into his fort and comes out an hour later smiling. Worth every penny.
"I cried watching my kids play together with these."
My 5 and 7-year-old haven't played together like this in years. They built a whole castle and made their little sister the queen. I stood in the doorway and just watched. This is what childhood should look like.
"Our apartment is small. Didn't matter."
We live in a 2-bedroom apartment in Brooklyn and I was worried these would be too big. They're not — the kids rearrange the living room and build something new every day. My husband plays with them too if I'm being honest.
Built from a childhood dream.
Two friends. One memory.
Towers to the ceiling. The floor is lava. Building forts and disappearing inside for hours – no instructions, no batteries, no end.
That was the best toy of our childhood. And it didn't exist in stores.
Today's kids get toys with instructions, fixed rules and one right answer. Creativity on demand. Play by the manual.
We missed that effortless freedom – and didn't see it in today's toy market. So we built the toy we always wished we'd had.
That's RIWI®.
What makes RIWI® different.
Real Walk-In Builds
Kids build actual forts and caves big enough to crawl inside. No other home toy does this.
Less Screen Time
When RIWI® comes out, the iPad disappears. Every. Single. Time.
Played Daily – For Years
Not the toy that ends up in the corner after a week. RIWI® grows with your child.
Made in Europe – TÜV Certified
European factory. 242 lbs capacity. Machine washable. Built to last.
No Rules, No Blueprint
Pure imagination every time – because there's no instruction manual for fun.
The Whole Family Plays
Parents get in on the action too – real quality time away from screens.
What kids create with RIWI®.
Give your kids a childhood they'll actually remember.
RIWI® Giant Foam Blocks – played every day, for years. The toy we always wished we'd had as kids. Free shipping on orders $99+.
✓ 30-Day Returns · Free Shipping $99+ · ASTM Safety Tested for Kids