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.