Whiz, pop, and count! The Hand2Mind Numberblocks Adding and Subtracting Puzzle Set turns math into a playful adventure. Featuring your child's beloved characters from the hit BBC series Numberblocks, this vibrant set is the perfect tool to introduce early arithmetic. With self-correcting mechanisms, these puzzles ensure that learning adding and subtracting through numbers 1 to 10 is both exciting and educational. Ideal for tiny tots transitioning from preschool to kindergarten, this interactive puzzle set solidifies foundational math skills in a fun, engaging manner. The Hand2Mind Numberblocks Adding and Subtracting Puzzle Set features: 20 vivid, 2-piece self-correcting puzzles Teaches addition and subtraction through 1 to 10 Engages with popular Numberblocks characters Supports early math confidence and skills Lightweight and perfect for preschool to kindergarten