Children's puzzle balance ball toy maze game balance ball game board 1PCS Balancing the balls, hand-held game, using hand, eye and brain together, training concentration, simple and easy to use. Immersive concentration training, enjoy the fun in the directional control of the beads. The gameplay is simple, easy to use, shake gently, and roll all the beads into the groove to be successful. It is very convenient to replace the card. Simply insert the card from above the card slot. Sealed design to prevent ball drop. The sealed baffle is firm and durable, and the ball cannot be taken out to prevent children from accidentally swallowing. The gameplay is simple and can be multiplayer interactive. It is convenient and easy to control, and multi-person interaction is more interesting. 10 cards, switch freely, change different scenes anytime and anywhere, and the position where the ball stops in each scene is different. 360 degree smooth grinding, curved edge, does not hurt children's hands. detail: ----Comfortable handle for easy grip. Sleek double handle, easy for children to grasp. ----Acrylic transparent plate, baffle design, easy to clean, waterproof for life. ---- Thickened design, more durable. 25mm thickness, more suitable for naughty children to play.