Plus-Plus
A building toy from Holbæk made of one small plastic piece shaped like two joined plus signs.
- Based in
- Holbæk

Pictures © Plus-Plus, from plus-plus.com.
Why it is renowned
The American Specialty Toy Retailing Association named Plus-Plus GO the best construction toy of its Best Toys for Kids awards in 2020, and the 800-Piece Earth Puzzle by Number the best puzzle in 2022.12 Plus-Plus is sold in more than 40 countries; the company set up its own organisation in the United States in 2012 and opened an office for the UK and Ireland near London in 2023.3
Recognition
The story
Plus-Plus began in Holbæk in the 1980s, as a simple toy of a single shape for open-ended play.3 The pieces are still developed and made in the company's own factory in Holbæk, which runs on wind power.34 The same shape comes in three sizes: 20 by 12 millimetres, BIG at 50 by 30 millimetres for the youngest, and KÆMPE at 290 by 174 millimetres.3
Works
Plus-Plus Plus-Plus The original Plus-Plus piece, 20 by 12 millimetres, for building flat mosaics and 3D models from the age of five.
Plus-Plus BIG The Plus-Plus piece made 50 by 30 millimetres, for building with children from the age of one.
Plus-Plus KÆMPE The Plus-Plus piece made 290 by 174 millimetres, for building at full body size.
What to know it by
- Plus-Plus Plus-Plus3The 20 x 12 mm piece, for ages 5 and up
- Plus-Plus BIG3The 50 x 30 mm piece, for ages 1 and up
- Plus-Plus KÆMPE3The 290 x 174 mm piece
Sources
- 2020 ASTRA Best Toys for Kids Award Winners Revealed - The Toy Book. toybook.com, read 27 October 2026.
- ASTRA Announces Its 2022 Best Toys for Kids Winners - The Toy Book. toybook.com, read 27 October 2026.
- About Plus-Plus. plus-plus.com, read 30 September 2026.
- Plus-Plus. plus-plus.com, read 28 September 2026.
Checked 27 October 2026, against the maker's own pages.