Build a beautiful big-size rainbow with these Plus Plus building blocks. Playing with Plus Plus stimulates a child's creativity, focus, and patience. These pieces are washable in a washing machine or dishwasher. This unique puzzle game uses Plus Plus pieces. No glue is required to create a striking piece to display on their bedroom wall, or to make and break apart to re-use the Plus Plus pieces to craft other builds. Combine the artistry of paint by number with the satisfaction of a puzzle for a unique creative experience. Using the enclosed pattern, fill in the design by matching each number with the corresponding colour. These fine motor skills toys are excellent autism sensory equipment to engage and stimulate. The kids toys puzzle set includes a full-colour how to guide. The STEM toys are BPA- and phthalate-free and can be easily washed in a washing machine or dishwasher, ensuring hygienic play with Plus Plus blocks. Ensuring the highest standards and safety, our blocks are designed and made in Denmark and tested to EU safety standards. Fun and creative boys and girls birthday presents and toys for boys and girls.