We only deliver to Denmark, Sweden, Norway, and Finland. Please choose one of those countries if you would like to place an order.

Puzzle by Number

Puzzle By Number is the perfect mix of a jigsaw puzzle and a paint by number. By using an enclosed pattern, fill in the design by matching each number with the corresponding color. When done, display it on a table or hang it up as room decor - no glue or ironing required! 

Puzzle by Number - Makes Building Easy

With Puzzle by Number its easy to get started with Plus-Plus. By combining numbers with colors you can create beautiful mosaics. When done they can be used as room décor or the Plus-Plus pieces can be used to build something new.

Simple Design - Fuels Creativity

One shape, endless possibilities! Plus-Plus has a unique design in one shape and 2 sizes that can interlock with other Plus-Plusses that are identical to it.  It is a perfect educational toy that stimulates fine motor skills, creativity, focus and patience! Mix and match any Plus-Plus set to bring more ideas to life!     


Plus-Plus encourages fine motor skills, logic, creativity, and imagination all without the use of screens. Part Science, part Technology, part Engineering, a bit of Math and a whole lot of FUN!                         

Suggested for Ages 5+

Puzzle by Number is suggested for children 5-12. Varying complexity depending by number of pieces. Each Plus-Plus measures 20mm x 12 mm and is suitable for children 3-4 years and up.         

Safe Play

Plus-Plus is washable. Put your Plus-Plus in a mesh bag and wash it in your washing machine or dishwasher and your Plus-Plus will sparkle again. Max 90 degrees Celsius.      

Made in Denmark

Plus-Plus is made in Denmark. The Plus-Plus factory and headquarters uses 100% green energy from wind power. All Plus-Plus is produced from food approved PE and from high quality BPA-free and phthalate-free plastic. All products and packaging are 100% recyclable.