BE AMAZING TOYS-Big Bag of Science. Set up your own science lab and amaze your friends! This kit includes everything you need to complete more than 70 activities including test tubes, mixing trays, cups, dishes, wire, marbles, assorted powders and powders and activators and instructions and measures 12x13x4 inches. Recommended for ages 8 and up. WARNING: CHOKING HAZARD: Children under 8 years can choke or suffocate on uninflated or broken balloons. Adult supervision is required. WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 years. WARNING: This set contains chemicals that may be harmful if misused. Conforms to ASTM F963. Imported.