Joyeee Multicolor Wooden Bead Roller Coaster - Classic Early Education Toys for Your Kids Ideas Joyeee wood roller coaster maze is made of high quality toxic free natural rubber, free from toxic material, buy with confidence! Compact: 6.25" x 5.25" wooden base with no-slip foam feet, 7.25" tall. Easily fits and stays on highchair trays Comes pre-assembled and ready to play right out of the box. Suitable for children / baby 1 year and up. Develop baby's cognitive ability, cultivate baby's eye and hand coordination ability, train baby fingers muscle flexibility. Encourage shape and color differentiation, fine motor skills, and hand-eye coordination. Tested to be safe and durable. Non-toxic paints and finishes.