A set of 25 blocks and building boards is perfect addition to building and construction toys. Yet another versatile toy to boost children’s imagination, creativity, and building skills. Combine them with Rainbow Stackers/Semicircles/Building boards to make pretend play structures, towers or tall buildings. Use them for counting, size seriation, sorting, stacking and pattern making along with endless open-ended possibilities. Blocks and boards are rainbow coloured with water-based, lead-free paints making it suitable for babies as well. A set comes with 25 blocks of approximately 4 cms base and increasing length up to 16 cms, 8 boards and a tray.