Get a Grip on Playtime. Construct a more imaginative playtime with Oball's Go Grippers Construction Crew 3-Pack assortment. Featuring the irresistible easy-to-grasp Oball material that makes it easy for even the youngest, most inexperienced fingers to grab. Made of strong durable materials, these vehicles are rugged. They easily roll when they are pushed and interact with most Oball Go Grippers toys. Purchase the Go Grippers Activity Playmat separately to complete your Go Grippers collection. Each vehicle sold separately. Recommended for ages 18 months and up.