Female A single red block with one large eye. She is an energetic character who takes great pride in being the starting number, "1." She loves counting things and is very spirited. Best friends with Two.

Male Two orange blocks wearing glasses. He loves dancing and is great at finding things that come in pairs. He is always cheerful. Best friends with One.

Female Three yellow blocks with three juggling balls on her head. She is a show-off who loves performing and singing, always keeping things lively. Best friends with Four.

Male Four blue blocks who loves squares. He is a reliable character with a calm and kind personality, always supporting everyone. He is actually not very good with round things. Best friends with Three.

Female Five light blue blocks who is a big star, wearing a large star-shaped lens over one eye. She loves singing and playing music, and she chats brightly while giving high-fives.

Female Six purple blocks with dice patterns. She loves games and beanbag tossing. She is a rapper who loves fun competitions.

Male Seven rainbow-colored blocks. A colorful character who brings good luck. He has a positive and happy personality, sharing his energy with everyone.

Male Eight magenta blocks styled after the deep sea. A superhero with eight octopus-like legs (Octo-arms). He loves helping those in trouble and is very strong.

Male Nine gray blocks who can form a perfect 3x3 square. He has a gentle, laid-back personality but catches colds easily, causing his blocks to fly off when he sneezes.

Female Ten red blocks with a white border. A character like a bright star who is always full of energy. She is great at counting from 1 to 10 and acts as a kind leader for everyone.